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 ...

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

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 ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ...

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

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

After five years on Mars, NASA confirmed Perseverance remains fully operational, with enough durability to support an ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...