Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, snaking rivers, and vast oceans. Now, scientists have calculated the 'sea level' ...

Mars has a clear structure in its mantel, and its crust includes distinct reservoirs, scientists have said. Those are the findings from meteorites that originated 1.3 billion years ago on the red ...

The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...