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 ...

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could ...

Scientists haven't heard from the MAVEN orbiter since December 6. It had been studying the Martian atmosphere for over a ...

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

NASA says it is “very unlikely” the agency will be able to recover a Mars spacecraft that has been out of contact for more ...

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

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

These are missions only NASA can lead. Everything else should go to partners who can deliver faster and cheaper.