Mars rovers

The Curiosity Mars rover recently aced its toughest Red Planet climb yet: a sharp 23-degree slope covered slippery sand and wheel-size rocks.

NASA has test-fired rocket motors as part of the development of an ascent vehicle designed to launch samples off the surface of Mars.

Ancient mud cracks found by NASA's Curiosity rover suggest that Mars underwent a repeated cycle of wet and dry spells that could have supported the emergence of life.

NASA's Perseverance Mars rover captured a stunning video of the Ingenuity helicopter on Aug. 3, during the little chopper's 54th Red Planet flight.

NASA's Mars helicopter Ingenuity snapped a photo of the Perseverance rover on Aug. 3, during the chopper's 54th Red Planet flight.

Ingenuity is back in action and a 54th flight is already in the works, according to NASA. The helicopter is now resuming scouting duties for a big Mars rover mission seeking life.

A budget review from the Senate Appropriations Committee is suggesting NASA consider canceling Mars Sample Return if the agency can't rein in the mission's growing costs.

NASA's Perseverance rover has found an intriguing menagerie of organic molecules in a Martian crater, but their source remains unclear.

The European Space Agency's director general, Josef Aschbacher, says the member states are moving ahead with a lander design contract to bring a life-seeking rover to Mars.