Mars has shone red in the night sky for as long as humans have gazed up at the cosmos, fascinating people from the ancient Romans to the present day. "The fundamental question of why Mars is red has ...

The interior of Mars is as chunky as a delicious macadamia cookie. A new analysis of the acoustic waves that ripple through and bounce around the red planet's guts reveals that the ancient, early ...

Recent discoveries have shed new light on the history of Mars, revealing evidence of ancient underground water that suggests the planet may have been habitable for longer than previously believed.

A former chief historian of NASA reflects on the history and future of Mars exploration Roger D. Launius The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face ...

NASA's Perseverance rover has uncovered a hidden ancient river delta beneath Jezero Crater, revealing layered sediments and ...

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask. Current understanding of Mars' evolution is based on spacecraft measurements ...

A mosaic of two pictures showing the rover arm after scanning and sampling one of the rocks discussed in the paper. The rock itself is in the lower right and clearly shows the hole where the sample ...

What can the climate history of Mars teach scientists about whether the Red Planet once had the ingredients for life as we know it? This is what a recent study published in Nature hopes to address as ...

"We think the water came from the melting of nearby sub-surface ice called permafrost, and that the permafrost melting was caused by magmatic activity that still occurs periodically on Mars to the ...