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

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 newly released Apollo 16-era NASA audio recording in Pentagon UFO files has reignited Moon conspiracy theories after a ...

Saturn's moon, Enceladus, could harbour alien life deep within its underground oceans, according to the European Space Agency (ESA). Although the moon may appear barren, near the South Pole, tiny ...

Life on Earth can be found in the strangest of places, from tens of thousands of metres in the sea to a bubbling tar pit in Trinidad. But scientists have suggested that life – alien life – could be ...

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