Did a flying saucer just land at NASA? It sure looks like it.

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

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

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

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

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

Space: 1999 may have offered audiences a glimpse into the future, but its premise was rooted in the past — specifically, in a ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...