CERN
@cern.bsky.social
CERN is the European laboratory for particle physics, home to the Large Hadron Collider.
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Reposted by CERN
Issue 75 of Science in School is out! 🎉
It’s packed with classroom activities on radioactivity, chemical clocks, nutritional and environmental science. And offers exciting insights into antimatter, “cannibal” stars, quantum tech, and medical physics.
👉 scienceinschool.org/issue/issue-...
It’s packed with classroom activities on radioactivity, chemical clocks, nutritional and environmental science. And offers exciting insights into antimatter, “cannibal” stars, quantum tech, and medical physics.
👉 scienceinschool.org/issue/issue-...
November 14, 2025 at 11:20 AM
Issue 75 of Science in School is out! 🎉
It’s packed with classroom activities on radioactivity, chemical clocks, nutritional and environmental science. And offers exciting insights into antimatter, “cannibal” stars, quantum tech, and medical physics.
👉 scienceinschool.org/issue/issue-...
It’s packed with classroom activities on radioactivity, chemical clocks, nutritional and environmental science. And offers exciting insights into antimatter, “cannibal” stars, quantum tech, and medical physics.
👉 scienceinschool.org/issue/issue-...
📣 Call for contributions
If you are a project manager, project leader, or part of a project management team at a physics laboratory or #BigScience project, and would like to share your experience and connect with colleagues in the field, the AcceleratePM workshop is looking for contributions. 👇
If you are a project manager, project leader, or part of a project management team at a physics laboratory or #BigScience project, and would like to share your experience and connect with colleagues in the field, the AcceleratePM workshop is looking for contributions. 👇
November 14, 2025 at 12:35 PM
📣 Call for contributions
If you are a project manager, project leader, or part of a project management team at a physics laboratory or #BigScience project, and would like to share your experience and connect with colleagues in the field, the AcceleratePM workshop is looking for contributions. 👇
If you are a project manager, project leader, or part of a project management team at a physics laboratory or #BigScience project, and would like to share your experience and connect with colleagues in the field, the AcceleratePM workshop is looking for contributions. 👇
The heart of operations
Today’s #ThrowbackThursday takes us back to 1976 in the Linac 2 control room.
While CERN's second linear accelerator, Linac 2, was under construction, its control room was already operational.
Today’s #ThrowbackThursday takes us back to 1976 in the Linac 2 control room.
While CERN's second linear accelerator, Linac 2, was under construction, its control room was already operational.
November 13, 2025 at 11:00 AM
The heart of operations
Today’s #ThrowbackThursday takes us back to 1976 in the Linac 2 control room.
While CERN's second linear accelerator, Linac 2, was under construction, its control room was already operational.
Today’s #ThrowbackThursday takes us back to 1976 in the Linac 2 control room.
While CERN's second linear accelerator, Linac 2, was under construction, its control room was already operational.
CERN reaffirms its commitment to environmentally responsible research with the release of its 4th Environment report
Find out more: home.cern/news/news/ce...
Find out more: home.cern/news/news/ce...
November 13, 2025 at 9:09 AM
CERN reaffirms its commitment to environmentally responsible research with the release of its 4th Environment report
Find out more: home.cern/news/news/ce...
Find out more: home.cern/news/news/ce...
Today, CERN’s #PhotoOfTheWeek features a series of images captured by Harald Wenzel during the 2025 CERN Photowalk competition, held earlier this summer. #PhysPics25
Which one is your favourite? Let us know below. 👇
📸 by Harald Wenzel
Which one is your favourite? Let us know below. 👇
📸 by Harald Wenzel
November 12, 2025 at 10:40 AM
Today, CERN’s #PhotoOfTheWeek features a series of images captured by Harald Wenzel during the 2025 CERN Photowalk competition, held earlier this summer. #PhysPics25
Which one is your favourite? Let us know below. 👇
📸 by Harald Wenzel
Which one is your favourite? Let us know below. 👇
📸 by Harald Wenzel
Arts at CERN and the Nobel Prize Museum collaborate on the Collide residency
Find out more: home.cern/news/news/ce...
Find out more: home.cern/news/news/ce...
November 11, 2025 at 1:59 PM
Arts at CERN and the Nobel Prize Museum collaborate on the Collide residency
Find out more: home.cern/news/news/ce...
Find out more: home.cern/news/news/ce...
CERN Council reviews feasibility study for a next-generation collider
At a meeting of the #CERN Council on 6-7 November, delegates from CERN’s Member and Associate Member States reviewed the outcome of the Feasibility Study for the proposed Future Circular Collider.
🔗 home.cern/news/news/ac...
At a meeting of the #CERN Council on 6-7 November, delegates from CERN’s Member and Associate Member States reviewed the outcome of the Feasibility Study for the proposed Future Circular Collider.
🔗 home.cern/news/news/ac...
November 10, 2025 at 5:32 PM
CERN Council reviews feasibility study for a next-generation collider
At a meeting of the #CERN Council on 6-7 November, delegates from CERN’s Member and Associate Member States reviewed the outcome of the Feasibility Study for the proposed Future Circular Collider.
🔗 home.cern/news/news/ac...
At a meeting of the #CERN Council on 6-7 November, delegates from CERN’s Member and Associate Member States reviewed the outcome of the Feasibility Study for the proposed Future Circular Collider.
🔗 home.cern/news/news/ac...
Here we see the Alpha Magnetic Spectrometer (AMS) detector.
Most recently upgraded in 2024, it searches for dark-matter signatures from cosmic rays, #antimatter, and missing matter from its position on the exterior of the International Space Station.
Most recently upgraded in 2024, it searches for dark-matter signatures from cosmic rays, #antimatter, and missing matter from its position on the exterior of the International Space Station.
November 10, 2025 at 8:27 AM
Here we see the Alpha Magnetic Spectrometer (AMS) detector.
Most recently upgraded in 2024, it searches for dark-matter signatures from cosmic rays, #antimatter, and missing matter from its position on the exterior of the International Space Station.
Most recently upgraded in 2024, it searches for dark-matter signatures from cosmic rays, #antimatter, and missing matter from its position on the exterior of the International Space Station.
The Peace Particle 🔵
Join us on 13 November at #CERNScienceGateway for the screening of The Peace Particle, a documentary exploring the history and future of #CERN.
Register here: indico.cern.ch/event/1586858/
Join us on 13 November at #CERNScienceGateway for the screening of The Peace Particle, a documentary exploring the history and future of #CERN.
Register here: indico.cern.ch/event/1586858/
November 8, 2025 at 9:05 AM
The Peace Particle 🔵
Join us on 13 November at #CERNScienceGateway for the screening of The Peace Particle, a documentary exploring the history and future of #CERN.
Register here: indico.cern.ch/event/1586858/
Join us on 13 November at #CERNScienceGateway for the screening of The Peace Particle, a documentary exploring the history and future of #CERN.
Register here: indico.cern.ch/event/1586858/
Could you talk about science for 90 seconds? 🤔
Join our digital science competition for a chance to win exciting prizes from CERN.
Submit your videos by 15 November, explaining any scientific concept. You will be judged on the Content, Clarity and Charisma of your submission.
Join our digital science competition for a chance to win exciting prizes from CERN.
Submit your videos by 15 November, explaining any scientific concept. You will be judged on the Content, Clarity and Charisma of your submission.
🎤 Are you passionate about science? Show us! 😉
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
November 7, 2025 at 10:36 AM
Could you talk about science for 90 seconds? 🤔
Join our digital science competition for a chance to win exciting prizes from CERN.
Submit your videos by 15 November, explaining any scientific concept. You will be judged on the Content, Clarity and Charisma of your submission.
Join our digital science competition for a chance to win exciting prizes from CERN.
Submit your videos by 15 November, explaining any scientific concept. You will be judged on the Content, Clarity and Charisma of your submission.
Proton collisions at the LHC end on a high(-luminosity) note 💫
During this year, an exceptional volume of data was collected at a collision energy of 13.6 teraelectronvolts (TeV).
Watch to find out more about what this means. 👇
During this year, an exceptional volume of data was collected at a collision energy of 13.6 teraelectronvolts (TeV).
Watch to find out more about what this means. 👇
November 6, 2025 at 11:00 AM
Proton collisions at the LHC end on a high(-luminosity) note 💫
During this year, an exceptional volume of data was collected at a collision energy of 13.6 teraelectronvolts (TeV).
Watch to find out more about what this means. 👇
During this year, an exceptional volume of data was collected at a collision energy of 13.6 teraelectronvolts (TeV).
Watch to find out more about what this means. 👇
What if we were made of #DarkMatter?
In today’s #ThrowbackThursday, theoretical physicist Djuna Croon explores the difference between dark matter and ordinary matter, highlighting the role of dark matter in the formation of our existence.
In today’s #ThrowbackThursday, theoretical physicist Djuna Croon explores the difference between dark matter and ordinary matter, highlighting the role of dark matter in the formation of our existence.
November 6, 2025 at 8:18 AM
What if we were made of #DarkMatter?
In today’s #ThrowbackThursday, theoretical physicist Djuna Croon explores the difference between dark matter and ordinary matter, highlighting the role of dark matter in the formation of our existence.
In today’s #ThrowbackThursday, theoretical physicist Djuna Croon explores the difference between dark matter and ordinary matter, highlighting the role of dark matter in the formation of our existence.
Biodiversity project takes flight 🪁
The “Ambient” initiative is using artificial intelligence to identify birdsong on the CERN sites and monitor biodiversity.
Find out more: home.cern/news/news/ce...
The “Ambient” initiative is using artificial intelligence to identify birdsong on the CERN sites and monitor biodiversity.
Find out more: home.cern/news/news/ce...
November 5, 2025 at 2:06 PM
Biodiversity project takes flight 🪁
The “Ambient” initiative is using artificial intelligence to identify birdsong on the CERN sites and monitor biodiversity.
Find out more: home.cern/news/news/ce...
The “Ambient” initiative is using artificial intelligence to identify birdsong on the CERN sites and monitor biodiversity.
Find out more: home.cern/news/news/ce...
‘Tis the season for #DarkMatter 🎃
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
November 5, 2025 at 8:59 AM
‘Tis the season for #DarkMatter 🎃
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
🚀 From particle physics to medical applications
Join the CERN Accelerator School course on Medical Accelerators and learn more about how particle accelerators are used in hospitals every day. #CAS2026
📍Jurmala, Latvia
📆 15 – 26 June 2026
📌Deadline: 13 April 2026
🙋Registration: cas.web.cern.ch
Join the CERN Accelerator School course on Medical Accelerators and learn more about how particle accelerators are used in hospitals every day. #CAS2026
📍Jurmala, Latvia
📆 15 – 26 June 2026
📌Deadline: 13 April 2026
🙋Registration: cas.web.cern.ch
November 4, 2025 at 3:49 PM
🚀 From particle physics to medical applications
Join the CERN Accelerator School course on Medical Accelerators and learn more about how particle accelerators are used in hospitals every day. #CAS2026
📍Jurmala, Latvia
📆 15 – 26 June 2026
📌Deadline: 13 April 2026
🙋Registration: cas.web.cern.ch
Join the CERN Accelerator School course on Medical Accelerators and learn more about how particle accelerators are used in hospitals every day. #CAS2026
📍Jurmala, Latvia
📆 15 – 26 June 2026
📌Deadline: 13 April 2026
🙋Registration: cas.web.cern.ch
First observation of single top quark production with W and Z bosons
This incredibly rare phenomenon, observed at the @cmsexperiment.bsky.social, can help probe the fundamental forces of nature.
Find out more: home.cern/news/news/ph...
This incredibly rare phenomenon, observed at the @cmsexperiment.bsky.social, can help probe the fundamental forces of nature.
Find out more: home.cern/news/news/ph...
November 4, 2025 at 1:12 PM
First observation of single top quark production with W and Z bosons
This incredibly rare phenomenon, observed at the @cmsexperiment.bsky.social, can help probe the fundamental forces of nature.
Find out more: home.cern/news/news/ph...
This incredibly rare phenomenon, observed at the @cmsexperiment.bsky.social, can help probe the fundamental forces of nature.
Find out more: home.cern/news/news/ph...
Can you guess any of these experiments and what they all have in common?
Hint: they do some heavy detective work😉
Here we see parts of nine CERN experiments that hunt for #DarkMatter by studying different physics.
Hint: they do some heavy detective work😉
Here we see parts of nine CERN experiments that hunt for #DarkMatter by studying different physics.
November 3, 2025 at 2:18 PM
Can you guess any of these experiments and what they all have in common?
Hint: they do some heavy detective work😉
Here we see parts of nine CERN experiments that hunt for #DarkMatter by studying different physics.
Hint: they do some heavy detective work😉
Here we see parts of nine CERN experiments that hunt for #DarkMatter by studying different physics.
Ion recycling to illuminate the heaviest elements
A sophisticated electrostatic trap at CERN’s ISOLDE facility could help researchers probe the chemical reactivity of the rarest and least understood elements.
Find out more: home.cern/news/news/ph...
Image by the MIRACLS collaboration
A sophisticated electrostatic trap at CERN’s ISOLDE facility could help researchers probe the chemical reactivity of the rarest and least understood elements.
Find out more: home.cern/news/news/ph...
Image by the MIRACLS collaboration
November 3, 2025 at 10:55 AM
Ion recycling to illuminate the heaviest elements
A sophisticated electrostatic trap at CERN’s ISOLDE facility could help researchers probe the chemical reactivity of the rarest and least understood elements.
Find out more: home.cern/news/news/ph...
Image by the MIRACLS collaboration
A sophisticated electrostatic trap at CERN’s ISOLDE facility could help researchers probe the chemical reactivity of the rarest and least understood elements.
Find out more: home.cern/news/news/ph...
Image by the MIRACLS collaboration
🎤 Are you passionate about science? Show us! 😉
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
November 3, 2025 at 8:24 AM
🎤 Are you passionate about science? Show us! 😉
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
To mark the 20th anniversary of FameLab International, CERN is teaming up with FameLab to invite you to share your love for science and win fantastic prizes.
You searched, we answered (#CERNLibrary Edition) 🗣️
In celebration of #DarkMatterDay, we invited Kyungmin from the @cmsexperiment.bsky.social to address some of the web’s most searched questions about #DarkMatter.
In celebration of #DarkMatterDay, we invited Kyungmin from the @cmsexperiment.bsky.social to address some of the web’s most searched questions about #DarkMatter.
October 31, 2025 at 1:59 PM
You searched, we answered (#CERNLibrary Edition) 🗣️
In celebration of #DarkMatterDay, we invited Kyungmin from the @cmsexperiment.bsky.social to address some of the web’s most searched questions about #DarkMatter.
In celebration of #DarkMatterDay, we invited Kyungmin from the @cmsexperiment.bsky.social to address some of the web’s most searched questions about #DarkMatter.
POV: Preparing to investigate the mysteries of #DarkMatter 🌌
In honour of #DarkMatterDay, we accompanied Baptiste, an @atlasexperiment.bsky.social physicist studying dark matter, as he gears up for his day of detective work.
In honour of #DarkMatterDay, we accompanied Baptiste, an @atlasexperiment.bsky.social physicist studying dark matter, as he gears up for his day of detective work.
October 31, 2025 at 10:59 AM
POV: Preparing to investigate the mysteries of #DarkMatter 🌌
In honour of #DarkMatterDay, we accompanied Baptiste, an @atlasexperiment.bsky.social physicist studying dark matter, as he gears up for his day of detective work.
In honour of #DarkMatterDay, we accompanied Baptiste, an @atlasexperiment.bsky.social physicist studying dark matter, as he gears up for his day of detective work.
#ThrowbackThursday to 1970 when scientists were measuring the magnets for the Intersecting Storage Rings (ISR) – the world’s first hadron collider. The ISR started operations on 27 January 1971, when two beams of protons collided for the very first time.
October 30, 2025 at 8:34 AM
#ThrowbackThursday to 1970 when scientists were measuring the magnets for the Intersecting Storage Rings (ISR) – the world’s first hadron collider. The ISR started operations on 27 January 1971, when two beams of protons collided for the very first time.
Today, CERN’s #PhotoOfTheWeek showcases a series of images captured by Marc Goodwin during the 2025 CERN Photowalk competition, held earlier this summer. #PhysPics25
Marc Goodwin was awarded the 1st prize in this year’s Photowalk by a local jury for the first picture.
Marc Goodwin was awarded the 1st prize in this year’s Photowalk by a local jury for the first picture.
October 29, 2025 at 9:01 AM
Today, CERN’s #PhotoOfTheWeek showcases a series of images captured by Marc Goodwin during the 2025 CERN Photowalk competition, held earlier this summer. #PhysPics25
Marc Goodwin was awarded the 1st prize in this year’s Photowalk by a local jury for the first picture.
Marc Goodwin was awarded the 1st prize in this year’s Photowalk by a local jury for the first picture.
Here we see the recent delivery of three huge compressors (Image 1), key components of the cryogenics system that will cool the new High-Luminosity Large Hadron Collider.
October 27, 2025 at 8:05 AM
Here we see the recent delivery of three huge compressors (Image 1), key components of the cryogenics system that will cool the new High-Luminosity Large Hadron Collider.
✨ Content. Clarity. Charisma. ✨
Who will have what it takes to win?
Join us on 25 November at #CERNScienceGateway for the FameLab International final.
Who will have what it takes to win?
Join us on 25 November at #CERNScienceGateway for the FameLab International final.
October 24, 2025 at 12:00 PM
✨ Content. Clarity. Charisma. ✨
Who will have what it takes to win?
Join us on 25 November at #CERNScienceGateway for the FameLab International final.
Who will have what it takes to win?
Join us on 25 November at #CERNScienceGateway for the FameLab International final.