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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Video: 00:00:00 ESA’s state-of-the-art Biomass satellite launched aboard a Vega-C rocket from Europe’s Spaceport in Kourou, French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time). In orbit, this latest Earth Explorer mission will provide vital insights into the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice throug…
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ESA’s groundbreaking Biomass satellite, designed to provide unprecedented insights into the world’s forests and their crucial role in Earth’s carbon cycle, has been launched. The satellite lifted off aboard a Vega-C rocket from Europe’s Spaceport in Kourou, French Guiana, on 29 April at 11:15 CEST (06:15 local time). View the full article
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Video: 00:02:01 ESA’s state-of-the-art Biomass satellite has launched aboard a Vega-C rocket from Europe’s Spaceport in French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time). In orbit, this latest Earth Explorer mission will provide vital insights into the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice through th…
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Image: The Atomic Clock Ensemble in Space (ACES), ESA’s state-of-the-art timekeeping facility, is now installed on the Columbus laboratory of the International Space Station. This still image, captured by external cameras on the Station, shows ACES after installation. For 25 years, cameras on the Station have documented activities in orbit, providing real-time views of operations like this one – a rare and remarkable perspective from space. On 25 April, the Canadian Space Agency’s robotic arm carefully extracted ACES from the SpaceX Dragon trunk and secured it onto the Columbus External Payload Facility, next to ESA’s space storm hunter ASIM (Atmospheric-Space Interac…
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After years of careful design and preparation, ESA’s Earth Explorer Biomass satellite is set for launch tomorrow, 29 April at 11:15 CEST, aboard a Vega-C rocket from Europe’s Spaceport in French Guiana. This groundbreaking mission will offer unprecedented insights into the state and evolution of the world’s forests. By mapping the woody material in Earth’s forests, this revolutionary satellite will play a crucial role in deepening our understanding of how forests influence the global carbon cycle. View the full article
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The Atomic Clock Ensemble in Space (ACES), ESA’s state-of-the-art timekeeping facility, has been successfully installed on the International Space Station, marking the start of a new chapter in space-based precision science. View the full article
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Week in images: 21-25 April 2025 Discover our week through the lens View the full article
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Image: Copernicus Sentinel-1 captured this radar image over French Guiana – home to Europe’s Spaceport in Kourou, where ESA’s Biomass mission is being prepared for liftoff on 29 April onboard a Vega-C rocket. View the full article
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ESA's Biomass mission is on the launch pad at Europe’s Spaceport in Kourou, French Guiana. Don’t miss the live coverage of liftoff on Tuesday 29 April, on ESA WebTV. Coverage will start at 10:55 CEST with commentary live from Kourou and ESA’s European Space Operations Centre in Germany. The Vega-C rocket carrying Biomass is scheduled for liftoff at 11:15. View the full article
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Image: Solar Orbiter’s widest high-resolution view of the Sun View the full article
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On 28 March 2025, a powerful magnitude 7.7 earthquake struck central Myanmar, sending shockwaves through the region. While the country is still dealing with the devasting aftermath, scientists have used radar images from the Copernicus Sentinel-1 satellites to reveal a detailed picture of how the ground shifted as a result of the quake – offering new insights into the mechanics of the tectonic Sagaing Fault and the scale of the seismic rupture. View the full article
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In celebration of the NASA/ESA Hubble Space Telescope’s 35 years in Earth orbit, an assortment of images that were recently taken by Hubble has been released today. This stretches from the planet Mars to images of stellar birth and death, and a magnificent neighbouring galaxy. After over three decades of scrutinising our Universe, Hubble remains a household word as the most well-recognised telescope in scientific history. View the full article
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Video: 00:02:22 ESA’s state-of-the-art Biomass mission has been designed to shed new light on the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice through the forest canopy and whole forest layer to measure the ‘biomass’, meaning the woody trunks, branches and stems, which is where trees store most of their carbon. View the full article
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A new wave of ocean scientists has embarked on an extraordinary six-week voyage aboard a majestic tall ship that set sail today from Norway bound for southern France. But this is no ordinary journey. Thanks to this ESA Advanced Ocean Training Course, these upcoming researchers will be taking a deep dive into ocean science, empowering them with skills to harness satellite data for research, innovation and sustainable development – and preparing them to become tomorrow’s leaders and ambassadors for ocean science. View the full article
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The European Space Agency has joined the world space community in congratulating the African Space Agency on its official inauguration. The African Space Agency (AfSA) is the second regional space agency after ESA and has been in development since 2015, with the African Union Commission adopting an African space policy and strategy in 2016. View the full article
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Biomass mission kit Explore ESA's forest mission View the full article
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Video: 00:06:15 English From 7 to 11 April, ESA's Centre for Earth Observation in Frascati, ESRIN, hosted the 2025 edition of ESA School Days, welcoming almost 1400 young students. The event kicked off with primary school students (4th and 5th grades) visiting during the first three days, followed by secondary school students on the final two days. Throughout the week, 35 schools from across Italy engaged in presentations and laboratories, delving into the diverse space activities conducted at ESA’s establishment. This initiative, which included contributions from ESERO Italia and the Italian Space Agency (ASI), aims to inspire and engage the next generation of S…
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Image: This very high-resolution image captures the Egyptian city of Giza and its surrounding area, including the world-famous Giza Pyramid Complex. View the full article
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Satellite observations show that sea-surface temperatures over the past four decades have been getting warmer at an accelerated pace. View the full article
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Registrations are now open for the European Space Agency’s Living Planet Symposium (LPS) – one of the largest Earth observation conferences in the world. The event will take place on 23–27 June 2025 in Vienna, Austria. View the full article
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Each year, cutting-edge technologies developed by the European Space Agency (ESA) for its complex missions and scientific discoveries find new life in applications used to benefit Earth and improve our daily lives. From 9–13 April, ESA was guest of honour at the 50th International Exhibition of Inventions Geneva in Switzerland with more than 1000 inventions, which attracted 30 000 visitors from the public. ESA showcased its new technologies and applications that have been invented for space missions and patented for use in and outside the space arena. View the full article
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Image: Sombrero Galaxy View the full article
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With the launch of ESA’s Biomass satellite scheduled for 29 April, preparations at Europe’s Spaceport in Kourou, French Guiana, have reached a key milestone. The satellite has now been sealed inside the protective fairing of the Vega-C rocket – now hidden from view, the satellite is almost ready for its journey into space. View the full article
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