In particular, there are large valley networks in the Noachian landscape that were almost certainly carved by running water.

"Orbital views of Witch Hazel show layered materials that likely date from a time when Mars had a very different ... ago when the area contained running water." While at the Witch Hazel Hill ...

The Medusae Fossae Formation of Mars has ice deposits over 2 miles deep, potentially providing vital water resources for ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground. Persuasive new evidence supporting the possibility of liquid water deep ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis. Water once existed in ...

Get Instant Summarized Text (Gist) Mars had intermittent surface water over 3 billion years ago, but its current state remains debated. Recent analysis challenges a study suggesting significant ...