The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

Water is ubiquitous on Earth—about 70% of Earth's surface is covered by the stuff. Water is in the air, on the surface and ...

On Episode 138 of This Week In Space, Rod and Tariq talk with Scott Tibbitts, a dynamic and engaging space entrepreneur.

Scientists simulated a situation that may offer an improved explanation for how the Red Planet ended up with small Phobos and ...

Kelly Weinersmith, co-author of A City on Mars, the latest pick for our New Scientist Book Club, and Cat Bohannon lay out the ...

In “A City on Mars,” Kelly and Zach Weinersmith investigate what life would be like for humans on the red planet, arguing ...

However, for years, scientists have argued that the Viking's experimental techniques might’ve killed hygroscopic microbes ...

The rover's latest discoveries, including pure sulfur stones and sprawling mineral "spiderwebs," unravel new mysteries of ...

The team analyzed meteorites from a large space rock designated as NWA7034 or “Black Beauty.” While all Martian meteorites ...

A partial copyright holder for "When I Was Your Man" claims Cyrus has copied Mars' hit for her Grammy-winning single ...

Trump's former chief of staff reportedly told clients on a call that Musk likely won't even stick around long enough to see ...

A stunning panorama shows the haunting terrain of the Gediz Vallis channel, where the Curiosity rover has been exploring.