A huge geological structure on Mars resembling a bathtub ring may be evidence of an ocean that once covered a third of the ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...

Interstellar Visitor Approaches Mars Mysterious Comet 3I/ATLAS Nears the Red Planet So, get this: there’s a visitor ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s impression of how the aurora might appear in the sky above the Perseverance rover. Scientists now believe that they ...

The reason why Mars is called the Red Planet is because of its reddish appearance when seen from space and Earth. Mars is red ...

Reading the "Mars Trilogy" by Kim Stanley Robinson brings the benefits and pitfalls of efforts to terraform the red planet ...

NASA's Curiosity rover has detected never-before-seen compounds on Mars - and they're widely considered the building blocks ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the ...