NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

MAVEN was built to last in orbit until 2030 — that's not looking likely anymore.

NASA lost contact with the MAVEN probe in Mars orbit, and teams are working to reestablish communications after an unexpected ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

A Mars spacecraft launched from Cape Canaveral, Florida, has been AWOL. But NASA hasn't given up hope of restoring contact ...

Engineers at the Jet Propulsion Laboratory (JPL) confirmed signal lock with Perseverance first, followed by Curiosity and the ...

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of Mount Sharp, offering a dramatic look at the rugged Martian landscape it's been exploring for more than a ...

NASA Associate Administrator for the Science Mission Directorate, Dr. Nicola Fox explains an intriguing rock that the ...