Mars died 3.5 billion years ago — and we now know why. A magnetic field collapse exposed the planet to the Sun’s solar wind, stripping away the atmosphere and boiling off the ancient oceans. ESA missions like Mars Express and ExoMars still map the traces of this catastrophic past. A world that once looked Earth-like… became silent forever. Music: “Atlantis” – Audionautix (CC BY 4.0) Visual Credits: ESA / Mars Express / ExoMars TGO (CC BY 4.0) #mars #space #astronomy #science #universe

NASA on Instagram: "What's it like to float through the International Space Station? For more than 25 years—since Nov. 2, 2000—humans have been living and working on the @ISS. More than 290 people from 26 countries have visited the station; their work and scientific research is helping us learn how to live in space (and prepare for missions to the Moon and Mars) while making life better back on Earth. As we celebrate this milestone, we've released a new 15-minute tour of the station; follow alon