A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Rovers sent to Mars have so far failed to detect life, likely because it doesn’t exist on the Red Planet. But we can’t say ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

According to SpaceX’s own calculation, the Roadster completed its first orbit around the Sun in August 2019 and made its first close approach to Mars on Oct. 7, 2020.

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary formation processes ...

Finding life on another planet would be a world-changing discovery for humanity. But actually detecting it is no simple task.

“One of the goals [of astrobiology] is to go to [other worlds] and look for microorganisms, but in the meantime there’s so ...

The search for alien life could be boosted by a simple new test, say scientists. They believe the movement of microbes may ...

"It is possible that asteroid 2024 YR4 will fade from view before we are able to entirely rule out any chance of impact in ...

A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASA’s Mars Orbiter Camera images, has sparked ...