The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

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

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 ...

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

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

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

The latest batch of declassified UFO files includes audio from a previously classified NASA briefingin which a speaker ...