Thin layers of sedimentary rock in Mars’s Gale Crater suggest that the planet once had a moon much larger than the two that ...

"We think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years.

Mars has a new showpiece for planetary scientists, and it looks uncannily like a butterfly frozen mid-flight. A fresh set of ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

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

A new view of Mars showcases a dramatic impact crater on the Red Planet with its debris wings unfurling across the surface ...

September 10, 2025, Mountain View, CA -- NASA’s Perseverance Rover spent three years exploring the floor of Jezero Crater, located just north of the Martian equator. This close-up look at what had ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris flows preserved from a time when the planet’s climate dramatically shifted.

As we travel from Mars’s equator toward the planet’s northern regions, we arrive at Coloe Fossae. This landscape is characterized by long, shallow grooves that cut across an area filled with steep ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly stopped communicating to ...