Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

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

Researchers discovered Mars subtly affects Earth’s orbit and axial tilt. These small changes help trigger ice ages and ...

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

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

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

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

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