Aliens may have stopped trying to contact humans because they simply got bored, Nasa scientist claims - Astrophysicist ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

A man claiming to be a 'time traveller' from 2045 has sparked fresh debate online after asserting that alien contact in 2028 will reveal extraterrestrials are not from outer space, a claim he made ...