NASA Invites Public to Share Thrill of Mars Perseverance Rover Landing

NASA Assigns Astronauts to Agency’s SpaceX Crew-4 Mission to Space Station

Cause of mysterious dark streaks on Mars found

ExoMars discovers new gas and traces water loss on Mars. Sea salt embedded in the dusty surface of Mars and lofted into the planet's atmosphere has led to the discovery of hydrogen chloride. The spacecraft is also providing new information about how Mars is losing its water.