International Space Science Institute (ISSI)
banner
issibern.ch
International Space Science Institute (ISSI)
@issibern.ch
The International Space Science Institute (ISSI) in Bern, Switzerland, is an institute of advanced studies where scientists from all over the world meet to discuss and publish about the most-pressing science topics.

Visit us on www.issibern.ch
Prof. Dr. Roger-Maurice Bonnet (1937–2026)

ISSI is deeply saddened to learn about the passing of Roger-Maurice Bonnet, ISSI Honorary Director and former Executive Director of the International Space Science Institute.

www.issibern.ch/prof-dr-roge...
Prof. Dr. Roger-Maurice Bonnet (1937–2026)
ISSI is deeply saddened to learn about the passing of Roger-Maurice Bonnet, ISSI Honorary Director and former Executive Director of the International Space Science Institute.
www.issibern.ch
January 22, 2026 at 8:21 AM
Reposted by International Space Science Institute (ISSI)
It was such a pleasure participating in my first ISSI workshop on multi-spacecraft particle observations 🛰️ So many wonderful people and discussions - and it's really true, there's no other environment quite like it! 💫
Science Across Generations at ISSI 🧑‍🔬✨

An inspiring story of Prof. Eberhard Möbius — who participated in ISSI’s first-ever workshop — and Dr Emma Davies (@spacedavies.bsky.social), attending her first ISSI workshop – three decades later:
www.issibern.ch/science-acro... 🔭
Science Across Generations at ISSI | International Space Science Institute
Explore Heliosphere science and its role in shaping the future of space science through collaborative workshops and research.
www.issibern.ch
January 21, 2026 at 12:44 PM
Science Across Generations at ISSI 🧑‍🔬✨

An inspiring story of Prof. Eberhard Möbius — who participated in ISSI’s first-ever workshop — and Dr Emma Davies (@spacedavies.bsky.social), attending her first ISSI workshop – three decades later:
www.issibern.ch/science-acro... 🔭
Science Across Generations at ISSI | International Space Science Institute
Explore Heliosphere science and its role in shaping the future of space science through collaborative workshops and research.
www.issibern.ch
January 21, 2026 at 11:24 AM
🎥 Meet Dr Ben Poulter (Spark Climate Solutions, USA), ISSI Johannes Geiss Fellow 2025.

From botany to space science, Ben explains how satellite observations and open data help us understand Earth’s changing climate — and reflects on his time at ISSI. 🔭

▶️ youtu.be/SvzBNx1wwQ0
ISSIcast #8 – Watching a Warming World
YouTube video by International Space Science Institute
youtu.be
January 20, 2026 at 9:08 AM
Open Call for Proposals for International Teams in Space and Earth Sciences

The International Space Science Institute (ISSI) and ISSI-BJ invite proposals for establishing International Teams to conduct collaborative research in the Space and Earth Sciences at their respective meeting facilities.
January 14, 2026 at 9:50 AM
Scientists around ISSI's @raducan.bsky.social reveal that the tiny asteroid moon Selam did not form in one go:
it is a “puzzle” assembled from at least four slow-speed moonlets that gently stuck together over time.
🧩🛰️

See more in the Press Release: www.issibern.ch/asteroids-mo...
PRESS RELEASE
Explore the asteroid Dinkinesh’s tiny moon Selam and how it has been formed from multiple low-speed collisions between small moonlets.
www.issibern.ch
January 7, 2026 at 9:16 AM
🚀 Big year ahead for space science at ISSI! 🌌

Let’s start with introducing our—and your—new ISSI Science Programme Manager, Sabina Raducan! 😊

We asked her a couple of questions so you get to know her better already:
www.issibern.ch/introducing-... 🔭
Introducing Dr Sabina Răducan: ISSI’s New Science Programme Manager | International Space Science Institute
ISSI welcomes our new Science Programme Manager, Raphael Marschall!
www.issibern.ch
January 5, 2026 at 8:39 AM
Check out the latest Topical Collection in Space Science Reviews on "Evolution of the Solar System: Constraints from Meteorites"
edited by Dominik C. Hezel, Herbert Palme, Jutta Zipfel, Alessandro Morbidelli and Klaus Mezger

Find all papers here (open-access): link.springer.com/collections/...
December 16, 2025 at 2:51 PM
💫 Ever wondered what shooting stars can tell us about the edge of space?

The ISSI International Team 580 reveals how tiny cosmic visitors illuminate big scientific questions. 🌠🌍

Read more: www.issibern.ch/meteors-and-... 🔭
Meteors and Phenomena at the Boundary between Earth’s Atmosphere and Outer Space | International Space Science Institute
Discover how MLT plays a crucial role in understanding meteor showers and their impact on our atmosphere.
www.issibern.ch
December 15, 2025 at 9:28 AM
Did you miss the latest ISSI Game Changer seminar about the Local Distance Network to determine the Hubble Constant at 1% precision?

– Worry not, you can rewatch it here:
youtu.be/wCAFh7VUdTg
December 12, 2025 at 2:24 PM
📡🌍 A diverse group of scientists is exploring how space-based Earth Observation (EO) data can be made genuinely useful for local climate adaptation and decision-making, not just global monitoring. 🛰️🌱

👇
www.issibern.ch/opening-up-e...

#EarthObservation #ClimateAdaptation #OpenScience #ISSI
Opening Up Earth Observations for Climate Adaptation: Highlights from the Ongoing ISSI Workshop | International Space Science Institute
Explore Climate Adaptation strategies using space-based Earth observations for local communities facing climate change challenges.
www.issibern.ch
December 12, 2025 at 8:43 AM
We care about details.

At ISSI, inspiring and communicating science runs through everything we do — right down to the envelopes we send. ✨📬

Thank-you to Stefan Scherrer for the stunning artwork.

Sometimes the smallest details carry the biggest inspiration. 🌍🪐

#SpaceScience #GraphicDesign 🔭
December 11, 2025 at 9:30 AM
Join us today! 👇
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 11, 2025 at 7:03 AM
Reposted by International Space Science Institute (ISSI)
Not to be missed - one of the hot topics in astrophysics!
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 6, 2025 at 9:14 AM
Reposted by International Space Science Institute (ISSI)
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 1, 2025 at 3:52 PM
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 1, 2025 at 3:52 PM
What happens when world-class solar scientists meet a cozy bar in Bern?

ISSI teamed up with Astronomy on Tap Bern for an unforgettable evening with 3 amazing talks, a full house, and even a debate on whether the heliosphere is shaped like a croissant 🥐, or not.

www.issibern.ch/astronomy-on... ☀️🔭
Astronomy on Tap x ISSI: A Full House, Three Brilliant Suns, and One Croissant-Shaped Mystery | International Space Science Institute
Explore ISSI's Astronomy on Tap Bern, where experts share fascinating insights about solar physics and total solar eclipses.
www.issibern.ch
November 25, 2025 at 1:46 PM
Reposted by International Space Science Institute (ISSI)
How can we tell if climate adaptation efforts work? Study shows how satellites help assess risks and track progress. Satellite data could transform how we track progress on global climate resilience for the Paris Agreement’s framework of the Global Goal on Adaptation. climate.esa.int/en/news-even...
November 11, 2025 at 4:06 PM
Adaptation is now as urgent as mitigation.

Discover how Earth observations can help measure real progress on climate resilience in our new ISSI feature 🌎

📖 www.issibern.ch/earth-observ...

#ClimateAdaptation #EarthObservation #RemoteSensing #Sustainability #ISSI #ClimateScience #ParisAgreement
New Perspective “Earth observations for climate adaptation” | International Space Science Institute
Explore how climate adaptation benefits from Earth observations and operational adaptation tracking in recent research.
www.issibern.ch
November 11, 2025 at 11:16 AM
🌍 Ever wonder how different layers of the atmosphere talk to each other?

Explore day-to-day changes in the mesosphere and lower thermosphere (50–120 km up) and why they matter for satellites, GPS & comms.

🔭 Read more: www.issibern.ch/day-to-day-c...
#SpaceWeather #Geoscience #MLT
Connecting Earth and Space to Understand Day-to-Day Changes in the Upper Atmosphere | International Space Science Institute
Explore MLT's variability and its impact on GPS and satellite communications in our interconnected world.
www.issibern.ch
November 11, 2025 at 8:46 AM
🌲🌲🌲
This week, @miguelmahecha.bsky.social and international colleagues examine as part of the ISSI Forum how genetic information can enhance the prediction and management of forest futures under accelerating climate change. 🌲🌲
October 23, 2025 at 6:21 PM
"Earth Observations in the Era of Climate Overshoot“ watch here the webinar with Ben Poulter @benpoulter.bsky.social
youtu.be/3nm5ns3NQkw

As the planet enters a likely phase of climate overshoot beyond 1.5°C, Earth systems may respond in fast and unexpected ways.
Earth Observations in the Era of Climate Overshoot: Novel Earth System Responses with Ben Poulter
YouTube video by International Space Science Institute
youtu.be
October 17, 2025 at 1:48 PM
Join us today (October 16) to the live webinar with @benpoulter.bsky.social
We start at 17h CEST | 11h EDT
More Information and access to the webinar www.issibern.ch/earth-observ...
October 16, 2025 at 7:36 AM
🚨 Last chance!

Apply this week for the Johannes Geiss Fellowship — don’t miss the opportunity! 🔭
October 6, 2025 at 9:17 AM
Join us for our upcoming Game Changers Webinar with @benpoulter.bsky.social (Spark Climate Solutions, USA) about:

"Earth Observations in the Era of Climate Overshoot“

All details available on:
www.issibern.ch/results/game... 🔭
Game Changers Webinars | International Space Science Institute
Starting in the summer of 2020, the International Space Science Institute has organized the weekly on-line seminar series called “Game Changers”. After six series of weekly talks on the themes of “Mis...
www.issibern.ch
October 4, 2025 at 6:03 PM