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

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

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

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Buzz Aldrin is quoted as having made three observations, one of which was of something with a "sizeable dimension." ...

Apollo astronauts described lights "sailing off into space" and skies like the "Fourth of July" in newly declassified Pentagon UFO transcripts.

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...