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.

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

Near-surface water ice could supply essential resources for future human exploration on the Red Planet. Before sending people ...

NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

NASA's Perseverance rover discovers shiny metallic rock on Mars that could be a meteorite from an ancient asteroid, ...

NASA’s Perseverance Mars rover has made another strange discovery. While investigating the Vernodden area of Jezero Crater – ...

Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases with humid climates and ...

Dust devils on Mars generate tiny electrical sparks. This could help explain how the Red Planet’s atmosphere and surface are ...

Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for future space missions.

A stunning new true-color mosaic of Mars is transforming how scientists—and the public—see the Red Planet. For decades, Mars ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind ...