The so-called Candor Tetrahedron. (NASA/JPL-Caltech/UArizona) It would be tempting to assume there's nothing much of note ...

Scientists have made an astonishing finding that brings us closer than ever to the concept of ‘Green Mars’, by discovering a ...

NASA has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.

By Will Dunham WASHINGTON, March 18 (Reuters) - Using ground-penetrating radar, NASA's Perseverance rover has detected ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar to reveal buried ...

Imagine reshaping an entire planet to make it a new home for humanity. This video explores the audacious proposal to use ...

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

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

Ancient Martian rivers were not the modest, slow-moving streams that earlier models described. A remote-sensing technique ...

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface.

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much ...