Data has revealed evidence of an underground reservoir of water deep beneath the surface of Mars. Scientists say the water is believed to be seven miles to 12 miles down in the Martian crust. The ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground. When you purchase through links on our site, we may earn an affiliate commission.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Data from a retired ...

The observation of small gullies on Mars was one of the more unexpected discoveries of the Mars Observer Camera (MOC) aboard the Mars Global Surveyor spacecraft. The characteristics of these gullies ...

Giant, dense structures have been discovered beneath the surface of Mars and they are leaving experts both mystified and excited. The first of these, confirmed by researchers in a fascinating paper, ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

Recent discoveries from Mars rovers have reignited the debate about the possibility of life on the Red Planet. A groundbreaking find has detected methane beneath the Martian surface, raising questions ...

Mars’ striking geography continues to stun. NASA has released a new image of the Red Planet’s surface, showing a magnificent gradient of ridged lines carved into ground by ice gradually inching across ...

(CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research. A team of scientists estimates that ...