European Space Agency
The European Space Agency is an intergovernmental organization of 22 member states dedicated to the exploration of space. Established in 1975 and headquartered in Paris, ESA has a worldwide staff of about 2,200
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Week in images: 07-11 April 2025 Discover our week through the lens View the full article
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Video: 00:09:17 Meet Aleš Svoboda— A skilled pilot with over 1500 flight hours, Aleš holds a PhD in aircraft and rocket technology and has commanded Quick Reaction Alerts. From flying high to training underwater, he’s always ready to take on new challenges—now including astronaut reserve training with ESA. In this miniseries, we take you on a journey through the ESA Astronaut Reserve, diving into the first part of their Astronaut Reserve Training (ART) at the European Astronaut Centre (EAC) near Cologne, Germany. Our “ARTists” are immersing themselves in everything from ESA and the International Space Station programme to the European space industry and institutio…
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The European Space Agency's XMM-Newton is playing a crucial role in investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behaviour unfold in real time offers a unique opportunity to learn more about these powerful events and the mysterious behaviour of massive black holes. View the full article
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Image: This Copernicus Sentinel-2 image shows part of one of the world’s natural wonders – the Great Barrier Reef in the Coral Sea off the east coast of Queensland, Australia. Zoom in to explore this image at its full resolution or click on the circles to learn more. The Great Barrier Reef extends for nearly 2300 km and covers an area of more than 344 000 sq km, approximately the size of Italy. It is the largest living organism on Earth and the only living thing the naked eye can see from space. Despite its name, the Great Barrier Reef is not a single reef, but an interlinked system of about 3000 reefs and 900 coral islands, divided by narrow passages. An area of biod…
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Marking a major milestone in the preparation of ESA’s Biomass satellite for its scheduled 29 April liftoff, experts have completed the critical and hazardous process of fuelling the satellite. View the full article
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Image: New ESA invention tested in a chamber of no echoes View the full article
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This new snapshot from the European Space Agency’s Mars Express deftly captures the two distinct faces of Mars: ridged and rugged versus smooth and unmarked. View the full article
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The first of the new generation of MetOp satellites, MetOp-SG Satellite-A, together with the instrument for the Copernicus Sentinel-5 mission, are now ready to be shipped to their launch site. But before the last leg of their terrestrial journey, they were on display to the media at Airbus’s facilities in Toulouse, France. View the full article
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Image: Smile meets Maxwell View the full article
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Europe’s space industry gathered at the European Space Agency (ESA) in the Netherlands on 3–4 April to gain insights into the future of space in Europe. View the full article
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Week in images: 31 March - 04 April 2025 Discover our week through the lens View the full article
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Video: 00:08:54 Meet Amelie Schoenenwald— biotechnologist, business expert, and PhD in structural biology. Whether in the lab or the great outdoors, she thrives in extreme environments, ready to embrace the adventure of ESA’s Astronaut Reserve. In this miniseries, we take you on a journey through the ESA Astronaut Reserve, diving into the first part of their Astronaut Reserve Training (ART) at the European Astronaut Centre (EAC) near Cologne, Germany. Our “ARTists” are immersing themselves in everything from ESA and the International Space Station programme to the European space industry and institutions. They’re gaining hands-on experience in technical skills lik…
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Image: The Copernicus Sentinel-2 mission shows us what is left of the Aral Sea, once the fourth largest lake in the world. View the full article
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Image: This new image from the NASA/ESA Hubble Space Telescope showcases NGC 346, a dazzling young star cluster in the Small Magellanic Cloud. The Small Magellanic Cloud is a satellite galaxy of the Milky Way, located 210 000 light-years away in the constellation Tucana. The Small Magellanic Cloud is less rich in elements heavier than helium — what astronomers call metals — than the Milky Way. This makes conditions in the galaxy similar to what existed in the early Universe. Although several images of NGC 346 have been released previously, this view includes new data and is the first to combine Hubble observations made at infrared, optical, and ultraviolet wavelengths …
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Image: A chance alignment in Lupus View the full article
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For decades, satellites have played a crucial role in our understanding of the remote polar regions. The ongoing loss of Antarctic ice, owing to the climate crisis, is, sadly, no longer surprising. However, satellites do more than just track the accelerating flow of glaciers towards the ocean and measure ice thickness. New research highlights how ESA’s CryoSat mission has been used to uncover the hidden impact of subglacial lakes – vast reservoirs of water buried deep under the ice – that can suddenly drain into the ocean in dramatic outbursts and affect ice loss. View the full article
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Image: This image shows Webb’s recent observation of the asteroid 2024 YR4 using both its Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI). Data from NIRCam shows reflected light, while the MIRI observations show thermal light. On 8 March 2025, the NASA/ESA/CSA James Webb Space Telescope turned its watchful eye toward asteroid 2024 YR4, which we now know poses no significant threat to Earth in 2032 and beyond. This is the smallest object targeted by Webb to date, and one of the smallest objects to have its size directly measured. Observations were taken to study the thermal properties of 2024 YR4, including how quickly it heats up and cools down and how…
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Video: 00:08:04 Space Debris: Is it a Crisis? The European Space Agency’s short documentary film ‘Space Debris: Is it a Crisis?’ on the state of space debris premiered at the 9th European Conference on Space Debris on 1 April 2025. Earth is surrounded by thousands of satellites carrying out important work to provide telecommunications and navigation services, help us understand our climate, and answer fundamental questions about the Universe. However, as our use of space accelerates like never before, these satellites find themselves navigating increasingly congested orbits in an environment criss-crossed by streams of fast-moving debris fragments resulting from c…
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Read the latest edition of ESA Impact View the full article
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Image: Biomass cleared for fuelling View the full article
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Launched just seven months ago, ESA’s Arctic Weather Satellite has been proving how the New Space approach can accelerate the development of missions capable of delivering detailed temperature and humidity profiles for short-term weather forecasts. Moreover, the impact of this tiny prototype satellite goes even further – its measuring instrument has been recognised as able to provide data that’s on a par with traditional large missions. View the full article
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The European Space Agency (ESA) has selected Airbus to design and build the landing platform for the ExoMars Rosalind Franklin rover. In 2028, ESA will launch this ambitious exploration mission to search for past and present signs of life on Mars. View the full article
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