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    • Fluorescent caves could explain how life persists in extraterrestrial environments
      on March 25, 2025 at 4:01 pm

      Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green. Scientists are using these fluorescent features to understand how the caves formed and the conditions for supporting life in extreme, and even extraterrestrial, environments.

    • Organic molecules of unprecedented size discovered on Mars
      on March 24, 2025 at 7:24 pm

      The longest organic molecules identified to date on Mars have recently been detected. These long carbon chains, containing up to 12 consecutive carbon atoms, could exhibit features similar to the fatty acids produced on Earth by biological activity. The lack of geological activity and the cold, arid climate on Mars have helped preserve this invaluable organic matter in a clay-rich sample for the past 3.7 billion years. It therefore dates from the period during which life first emerged on Earth.

    • Oxygen for Mars
      on March 24, 2025 at 3:38 pm

      To mitigate global climate change, emissions of the primary culprit, carbon dioxide, must be drastically reduced. A newly developed process helps solve this problem: CO2 is directly split electrochemically into carbon and oxygen. Oxygen could also be produced in this way under water or in space — without requiring stringent conditions such as pressure and temperature.

    • Oxygen discovered in most distant known galaxy
      on March 20, 2025 at 6:50 pm

      Astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. This record-breaking detection is making astronomers rethink how quickly galaxies formed in the early Universe.

    • Treasure trove of galaxies, glimpses of deep fields
      on March 19, 2025 at 6:37 pm

      On 19 March 2025, the European Space Agency’s Euclid mission releases its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take center stage and show a glimpse of their large-scale organization in the cosmic web.

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          • Spectrum takes flight and clears the launch pad
            on March 30, 2025 at 12:55 pm
          • ExoMars Rosalind Franklin rover will have a European landing platform
            on March 30, 2025 at 10:03 am

            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.

          • Arnaud Prost | Sky, Sea, Space | ESA Explores #12
            on March 28, 2025 at 3:00 pm

            Video: 00:15:30 Meet Arnaud Prost—aerospace engineer, professional diver, and member of ESA’s Astronaut Reserve. From flying aircraft to getting a taste of spacewalk simulation, his passion for exploration knows no bounds.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 like spacecraft systems and robotics, alongside human behaviour, scientific lessons, scuba diving, and survival training.ESA’s Astronaut Reserve Training programme is all about building Europe’s next generation of space explorers—preparing them for the opportunities of future missions in Earth orbit and beyond.This interview was recorded in November 2024. You can listen to this episode on all major podcast platforms.Keep exploring with ESA Explores!Learn more about Arnaud’s PANGAEA training here.

          • Week in images: 24-28 March 2025
            on March 28, 2025 at 2:15 pm

            Week in images: 24-28 March 2025 Discover our week through the lens

          • Gaia: Rewriting the story of the Milky Way
            on March 28, 2025 at 1:00 pm

            Video: 00:05:23 For over a decade, ESA’s Gaia mission has mapped our galaxy with stunning precision—rewriting the story of the Milky Way. As its mission enters a new phase, we look back at its most groundbreaking discoveries.

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