Aliens will be discovered within 50 years but likely just 'grey sludge'

Dame Maggie Aderin-Pocock, a leading British space expert, has made the extraordinary claim that humanity will discover life ...

Aliens will be discovered within 50 years but won't look like ET, says space scientist

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...