A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

In fact, throughout history there have been numerous reports of supposed alien spacecraft sightings that have turned out to ...

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...