NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

Mars, the cold and lifeless neighbor to Earth, might seem like an unlikely candidate for beauty. But the planet has something truly strange to offer: mysterious geysers and intricate, spider-shaped ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Viking landers were the first spacecraft to successfully touch down on the surface of Mars. NASA/JPL-Caltech via AP Finding ...

Scientists confirm that clocks on Mars run faster than on Earth and will change global space navigation in the future ...

Bringing samples from Mars back to Earth is one of NASA's most ambitious goals. The plan goes back to the 1970s, with NASA's robotic exploration program, when the first spacecraft landed on the ...

The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

Scientists Find Signs That Mars May Once Have Been Covered by an Ocean ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

Mars's water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went.

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...