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 ...

A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

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

Building material samples from the University of Delaware spent six months mounted outside the International Space Station, where the harsh conditions of low Earth orbit tested their limits.

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Add Yahoo as a preferred source to see more of our stories on Google. Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, microbiologist and ...

The beloved magical-girl anime Sailor Moon is returning to theaters this August, giving fans a rare chance to relive its ...

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

As NASA prepares for long-term moon bases, scientists are working on how to grow food in lunar soil and deal with razor-sharp ...

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

Experts suspect this space rock is a piece of the lunar surface torn off by a meteor impact, so it could be a time capsule ...