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

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 ...

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

Ancient shoreline features hint that water on Mars once formed a vast ocean.

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

A high-resolution morphometric analysis of the southeastern region of Coprates Chasma, part of the extensive canyon system of Valles Marineris on planet Mars, has made it possible to identify sediment ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

MARS was not always the beaming red we’re so used to seeing in space. Scientists have revealed that it was actually a “blue ...

In November 2011, NASA launched a space mission to explore the planet Mars through a vehicle known as Curiosity. After a long ...