Ancient Mars boasted abundant water, but the cold and dry conditions of today make liquid water on the Red Planet seem far ...

Do the ice caps on the southern pole of Mars bury a secret reservoir of liquid water? A signal detected by Mars Advanced ...

Researchers say the detection provides rare insight into the electrical behavior of Mars’s thin, dry atmosphere. What ...

Searching for water on Mars often feels like chasing a flicker of hope in a cold and quiet world. You read about dried ...

The European Space Agency's Mars Express orbiter captured this view of Mars' south polar ice cap Feb. 25, 2015. Three years ...

For years, scientists have been intrigued by a mysterious signal coming from the icy south pole of Mars. In 2018, a radar instrument called MARSIS, aboard a European Mars orbiter, detected a very ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris ...

The Atlantic Meridional Overturning Circulation (AMOC), a system of Atlantic Ocean currents that redistributes heat and nutrients between the tropics and the North Atlantic, is one of the planet's ...

A “very large roll” of a radar instrument offers new insight into a highly reflective area near the Martian south pole.

A University of Arizona-led team has used a camera orbiting Mars to capture the closest images yet of a rare interstellar ...

NATIONWIDE — NASA announced on Wednesday that its Perseverance Mars rover may have found signs of ancient microbial life on the red planet. During a teleconference on Wednesday morning, acting NASA ...