Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

NASA's Perseverance rover has added to its trove of curious finds, as the space agency published a photo of a rock on the surface of Mars that looks like a centuries-old helmet. The rock has a pointed ...

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

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s ...

Slices from the edge of Mars reveal a layered atmosphere of delicate complexity. A European spacecraft has captured a luminous mille-feuille of dust enveloping the red planet in unprecedented detail.

Starting your day with one of the best-looking panoramic images of Mars is a pleasant reminder that we humans can do pretty incredible things. This inspiring photography is brought to us by NASA's ...

NASA scientists say the images provide far more than just a striking never-before-seen view of the Martian geography. Studying the features detailed in Odyssey's photos could help NASA prepare for ...