NASA believes one icy moon may offer humanity's best chance of discovering alien life. Hidden beneath a frozen shell lies a ...

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 ...

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

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation could be buried in lunar soil.

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

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 ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...

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 ...

Astronomers recently made an exciting discovery on the surfaces of Pluto and Titan, detecting an unidentified substance using ...