NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of alien flight.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. NASA's Perseverance rover may have discovered signs of ancient life in ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

On May 25, 2008, NASA's Phoenix lander arrived on Mars. [‘On This Day in Space’ Video Series on Space.com]( Phoenix was NASA's sixth mission to ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...