Mars' veins were created by vanishing ancient lakes
Another sign that Mars once had a lot of water.
We might not be able to use Martian water after all
...if it even exists, that is.
Curiosity rover may sample Mars water
NASA hopes to shed light on one of the Red Planet's more elusive substances.
Mars faced an ice age 400,000 years ago, and it's still recovering
Researchers confirm that Mars has seen many ice age cycles over time, and is still coming out of the last one.
Ancient mega-tsunamis hint at cold Martian oceans
And where there were cold oceans, there could well have been life.
Scientists find signs of liquid water on the surface of Mars
Seems like Mars is a lot more wet than we thought.
Mars once had enough water to form a large ocean
You probably know that Mars hasn't always been so barren, but have you wondered what it was like i...
NASA: Mars' Gale Crater held a huge lake for millions of years
Humans have been speculating about water on Mars for hundreds of years, and now thanks to the Curi...
NASA's Curiosity finds two percent of Martian soil is composed of water
We already knew Mars was blanketed in ancient riverbeds, which points to the existence of water in...