Mars, Water | featured news

A NASA rover scouting for signs of past water on Mars has found the strongest evidence yet -- a vein of gypsum, a mineral deposited by water, protruding from an ancient rock.

If NASA's exploration of Mars were summed up in a bumper sticker, it would read: "Follow the water."...

Scientists have found lots of life-essential water – frozen as ice – in an unexpected place in our solar system: an asteroid between Mars and Jupiter.

The largest volcano on Mars may hold water and the possibility of life.

Mars appears to have had running water on its surface about one million years ago, according to new evidence.