Curiosity rover is hunting for microbial life on Mars. NASA reconnaissance orbiter snapped its first-ever image of Curiosity ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

A hypothetical image of Mars 3.6 billion years ago. The blue areas show the depth of the ocean filled to the shoreline level ...

Learn more about the Curiosity’s carbonate discovery on Mars, and what it tells of about Mars’ past and Earth’s future.

Although Mars is a dry planet today, lots of evidence suggests there were once oceans and rivers all over ... the probe soared past Mars and sent back photos of the planet's surface, according ...

NASA’s Curiosity rover discovered siderite in Gale Crater. This shows Mars had a partial carbon cycle, storing and releasing ...

Samples drilled by the Curiosity rover on Mars have revealed abundant signs of a carbon cycle that remained hidden from ...

The rover's findings offer insight into the carbon cycle on ancient Mars. On Earth, volcanoes spew carbon dioxide into the ...

‘Earth’s surface has been continuously habitable since about 3.5billion years ago, but Mars’ surface evolved from more ...