New clues found underneath Jezero Crater.

Ancient Martian rivers were not the modest, slow-moving streams that earlier models described. A remote-sensing technique ...

Artemis II’s rocket has completed its move to Launch Pad 39B, and the planned April 1 liftoff is still on schedule.

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

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

When NASA’s Perseverance rover landed in Jezero Crater in 2021, its primary mission was to scour the remnants of a dried-up ...

Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

By Will Dunham WASHINGTON, March 18 (Reuters) - Using ground-penetrating radar, NASA's Perseverance rover has detected ...

Long before Mars turned into the frozen desert you see today, water shaped its surface in dramatic ways. Rivers cut through highlands, lakes pooled inside craters, and floods tore open canyon walls.

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.

Light-colored rocks scattered across Mars have become a quiet clue to a louder story about the planet’s past. NASA’s Perseverance rover keeps finding pale pebbles, cobbles and even small boulders ...