If we discovered evidence of alien life, would we even realise it? Life on other planets could be so different from what we’re used to that we might not recognise any biological signatures that it ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

The late Professor Stephen Hawking had a chilling "dark forest" theory about alien life 15 years ago – and it could be more plausible than ever. Earlier this year his predictions about aliens ...

This video explores five disturbing possibilities about alien life that challenge popular science fiction assumptions. Instead of friendly visitors or distant microbes, the scenarios focus on outcomes ...