opportunity and spirit mars rovers

Opportunity has rolled through the coldest and darkest parts of the Martian winter in good nick, NASA officials said.

Giant deposits of ice may not lie hidden under the surface of Mars, between its equator and poles, as recently suggested, a new study finds.

A striking panorama by NASA's Mars rover Opportunity shows a crater-rim notch that may have been carved by liquid water long ago.

Two craters on two different worlds that were visited by two NASA missions have now been linked to mark the 45 years between the two explorations.

NASA's Mars rover Opportunity has reached its next destination — a valley called Perseverance, where the long-lived robot will scour the surface for clues about how the vast crevice formed.

A new photo shows just how improbable the Mars rover Opportunity's hole-in-one landing in January 2004 really was.

NASA's veteran Mars rover Opportunity has been driving across the Red Planet's surface for more than 13 years, but it's not done exploring yet.

A bombardment of asteroids on a once-icy ancient Mars may have created vast oceans of liquid water, which persisted for 200 million years.