Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried ...

New research suggests an ancient ocean may have covered one-third of Mars, supported by elevation data, sediments, and rover findings.

There is a lot of evidence from orbiting satellites and surface rovers indicating that liquid water was present long ago on ...

In the recent few days, the discovery of \"winged insects\" and life forms similar to predators in images from NASA's rovers ...

Add Yahoo as a preferred source to see more of our stories on Google. It might be surprising to hear planetary scientist Nina Lanza use the word “disappointing” in the same sentence as “Mars.” After ...

Mars may look like a quiet, dusty world, but it’s actually buzzing with hidden electrical activity. Powerful dust storms and ...

Was Mars a friendly planet for water, even life, in its ancient past? Huge channel networks run across its surface. Rocks show signs of water immersion. Yet pictures sent back from NASA's Curiosity ...

Mars was long considered an inhospitable planet characterized by extremely cold temperatures and constant bombardment by ...

Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet lost its water has fascinated scientists for decades. A groundbreaking study ...

The sun continuously blasts charged, magnetic field-carrying particles, or plasma, in all directions. This solar wind ...