If aliens do exist, one of the chief concerns is that they could be far more advanced than us — and a lot less friendly. Scientists have tended to pour cold water on this suggestion because they say ...

A man claims to have evidence of alien life after his hunting camera recorded a naked "bulbous-headed" figure running through a UFO hotspot. The eerie image shows what looks like a grey humanoid ...

Alien life could take many different forms, but one possibility is captivating scientists: alien "plants". What would they look like? And how could we find them? On the Orion arm of the Milky Way ...