Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

Multiple spacecraft and rovers have now detected what appears to be an extensive network of ancient river channels hidden beneath the Martian surface, buried under layers of lava and sediment that ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

We have always heard the possibility of life on Mars but could not find the right clue. To clarify the fact, scientists have ...

The latest evidence that Mars was once a warmer, wetter world comes from a surprising place—the hidden subsurface depths of ...

Water is considered the basic building block for life as we know it. An extended water history on Mars widens the window of ...

Three-sided pyramid-like structure spotted on the surface of planet Mars ...

Prevailing theories suggest that Mars was once covered in a major liquid water system of oceans, rivers, and lakes, which presupposes a thick atmosphere that could maintain temperatures at which ...

It’s a virtual mission to Mars. Our first mission to Mars may still be a ways off, but people can take a virtual tour of the Red Planet thanks to a brand new video by the Mars Express Orbiter. People ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

Researchers studying Mars uncovered something unusual hiding inside ancient Martian rocks: a new form of matter we’ve never seen ...

Until recently, Mars was studied only through telescopes and some data that was recorded from early spacecraft. It was thought that Mars' polar regions were the only significant reservoirs of ice, ...