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 ...

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

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

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

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

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

Another view from Perseverance shows how windswept Mars' landscape truly is.

Though Mars, the Red Planet, is a vast and inhospitable land today, scientists think it once resembled our very own Earth — the Blue Planet, if you will. More specifically, experts say Mars once had a ...