The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They are etched into a single, oddly speckled rock in an ancient riverbed, where ...

NASA’s Curiosity rover has photographed a bizarre, coral-shaped rock on Mars, believed to have formed billions of years ago.

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

NASA’s Curiosity rover has returned a close-up image of a small rock on Mars that has caught attention for its coral-like appearance. The formation wa.

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

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

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What everyone agrees on is that NASA needs a new spacecraft capable of relaying communications from Mars to Earth. This issue ...