Mars was once far wetter than it appears today, and new research suggests much of that water did not disappear but migrated beneath the surface. Evidence from deep crater basins points to a ...

A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar to reveal buried ...

NASA's Perseverance rover has discovered evidence of ancient water flows on Mars, while a study suggests a younger age for ...

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface.

New ground-penetrating radar scans by NASA's Perseverance Rover have revealed an ancient Martian river that may have hosted life.

Researchers studying Mars uncovered something unusual hiding inside ancient Martian rocks: a new form of matter we’ve never seen ...

Water is considered the basic building block for life as we know it. An extended water history on Mars widens the window of opportunity for life to have once emerged there.

Using NASA’s ground-penetrating radar, the Perseverance rover has discovered underground remnants of an ancient river delta on Mars, providing one of the most compelling pieces of evidence that water ...

NASA's Perseverance rover has detected the underground remains of an ancient river delta on Mars, providing some of the oldest evidence yet that water once flowed across the planet's surface. The ...

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

A new study reveals a hidden risk for Mars missions: astronauts could lose strength even if muscle size stays the same.