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.

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

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

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

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

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

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

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

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the star's gravity holding it back. These motes of dust are then free to roam the ...