NASA's Perseverance rover has rambled over a region of Mars where scientists say a strong river once emptied into a crater, ...

Scientists are eager to find out whether Mars was once capable of supporting life, and according to new Curiosity findings, ...

Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.

NASA’s Curiosity rover has uncovered a missing piece in the puzzle of Mars' past atmosphere. Scientists discovered ...

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

Scientists have known for a while that Mars currently lacks a magnetic field, and many blame that for its paltry atmosphere – ...

Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long ...

A new study from geologists at the University of Colorado Boulder paints this picture of a Red Planet that was relatively ...

Large carbon deposits have been found on Mars, suggesting it was once home to alien lifeforms. NASA’s Curiosity Rover discovered evidence of a carbon cycle below the Red Planet's surface.

A One-Sided Magnetic Field Influenced by the InSight findings, the researchers created simulations of early Mars with a liquid core. They ran the simulations a dozen times on supercomputers, making ...

But geological formations clearly indicate that Mars once supported abundant liquid water, a condition only possible with a thicker, warmer atmosphere. Early Mars likely had tens or even hundreds ...