It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

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 ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

'Hidden structures' discovered deep beneath the dark side of the moon ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a “lunar biocontainment facility.” Reading time 3 minutes International ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

Alien civilizations may have left traces. We just may not have been looking in the right place.

SEAS, saw people on the slopes of Mauna Loa volcano in Hawai’i (Picture: HI-SEAS) Nasa is asking wannabe Martians to spend a ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Mars' innermost moon, Phobos, has long puzzled planetary scientists, who have continually debated whether it's a captured asteroid or formed from debris after a giant impactor struck the Martian ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.