LOS ANGELES - Spirit has always been the unluckier of NASA's twin Mars rovers. Just weeks after landing in a Martian crater in 2004, it went haywire and transmitted gibberish to Earth. Engineers ...

Earlier missions, including the Spirit and Opportunity rovers and orbiters such as Mars Reconnaissance Orbiter, found river ...

NASA's Perseverance rover may have uncovered hints of ancient Martian life, but China's Tianwen 3 mission could be the first ...

Perseverance represents more than a machine. It is a proxy extending humanity’s senses across millions of miles to an alien ...

NASA has sent five robotic vehicles to Mars. Sojourner, Spirit, Opportunity, Curiosity, and Perseverance. Look back at the missions. (NASA/AFP via Getty Images) Martian mudstones contain features that ...

NASA’s Opportunity rover has officially concluded its groundbreaking mission on Mars, sending its final signals to Earth and leaving behind a legacy that reshaped our understanding of the Red Planet.

NASA’s Perseverance rover found possible signs of ancient life in rocks on Mars, keeping scientists up at night.

Crumpler, Larry S., Squyres, Steven W., Arvidson, Raymond E., Bell, James F., III, Blaney, Diana L., Cabrol, Nathalie A., Christensen, Philip R., DesMarais, D. J ...

LOS ANGELES - Fresh from being given a clean bill of health, the Spirit rover drilled its first tiny hole in a rock on the surface of Mars, NASA scientists said Saturday. "We made some history here.

Imagine exploring Mars not with a handful of expensive, heavy rovers, but with swarms of lightweight, wind-driven spheres ...

The rock, discovered by NASA’s Perseverance rover, has colorful leopard-like spots, suggesting chemical reactions possibly caused by microbial organisms. “Layering, nodules, reaction fronts ...