Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried ...

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have ...

SpaceX will launch Europe's life-hunting Rosalind Franklin rover toward Mars in 2028 — but not aboard the company's Starship ...

Scientists have long known that Mars once had liquid water, but whether it formed only lakes and rivers or vast oceans has remained uncertain.

A huge geological structure on Mars resembling a bathtub ring may be evidence of an ocean that once covered a third of the ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Reading the "Mars Trilogy" by Kim Stanley Robinson brings the benefits and pitfalls of efforts to terraform the red planet ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

CAPE CANAVERAL, Fla. — Scientists revealed this week that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

The Chinese-led research team based its findings on seismic readings from NASA's InSight lander on Mars, which recorded more than 1,300 marsquakes before shutting down in 2022. The spacecraft landed ...