Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a ...

NASA announced today that Mars, which scientists once thought of as a dry, dusty planet, is home to liquid water. That makes Mars an even better candidate for supporting alien—or, one day, human—life.

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study ...

Although there are many who dream about one day living on Mars, there’s been one challenge to plans for eventually settling on the Red Planet: access to water, which would be vital for any kind of ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. Possible giant "karstic" caves that formed when ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...

Over four years since it landed on Mars, NASA's Perseverance Rover might have made serious headway in its mission to find signs of ancient microbial life on the planet. Last July, the autonomous ...