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 ...

The interstellar object known as 3I/ATLAS is stirring up a whirlwind of speculation as it nears Earth, with theories ranging from it being a natural comet to an alien spaceship. This debate has been ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for Einstein's general relativity may rewrite that rule. When you purchase ...