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

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

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

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.

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

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 ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

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

The red planet was half blue, according to space scientists. A research team using images from cameras on Mars-orbiting ...

Mars-like shock and chemical stress reveal ribonucleoprotein condensates as a key survival mechanism in yeast. Life on Mars, ...