A 300-foot-tall anomaly on one of Mars' moons has intrigued observers for years.

The tantalizing prospect of inspecting a mysterious monolith on the surface of Mars moon Phobos was proposed earlier this ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Add Yahoo as a preferred source to see more of our stories on Google. "This is drawing on the playbook that worked very well for NASA during the 1960s. We didn't just jump right to Apollo 11," said ...

As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well as a soccer ball. By Kenneth Chang NASA has a spare Mars rover that it ...

An engineering development version of the NASA rovers currently operating on Mars takes a spin at the Jet Propulsion Laboratory in California. (NASA via YouTube) NASA ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The extensive targeting of U.S. bases by Iran throughout the ...

A rover on Mars can drill into ancient rock, heat a pinch of it, and read the carbon-based molecules that boil off. Several have done exactly that. None has been able to prove that anything alive made ...

NASA’s Perseverance rover has found complex carbon compounds in a Martian crater that had previously shown tantalising possible signs of ancient life. On Earth, these compounds are typically ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...