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.

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

While the latest findings clarify that the feature is not an underground lake, they highlight the utility of the radar ...

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 ...

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

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 ...

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, ...