UPDATE for 11 am ET: NASA's Perseverance rover has discovered sediment formations that could be signs of possible biosignatures on Mars, but they could also have a non-biological source. Read our ...

NASA will announce the next group of astronaut candidates selected from more than 8,000 applications. Coverage will be available on the agency's streaming app, NASA+ – also available on YouTube and ...

Norththrop Grumman's Cygnus XL has resumed its journey to the International Space Station after a day-long delay. NASA will provide a livestream.

NASA officials will unveil details about a new finding connected to a unique sample the Perseverance rover found on Mars ...