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 ...

NASA has abruptly lost contact with a key spacecraft circling Mars, cutting off a scientific workhorse that has spent years ...

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 ...

How long did Mars have habitable conditions for life? This is what a recent study published in the Journal of Geophysical Research – Planets hopes to address as a team of scientists from New York ...

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 ...

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 ...