Readers respond to a piece about Harvard’s Avi Loeb and his explorations into extraterrestrial life Avi Loeb’s scientific approach, including Times Square billboards, would fit perfectly into a story ...

We've long assumed that aliens will be like us, but there's every reason to think they are instead a form of unfathomable AI, says the UK astronomer royal Lord Martin Rees. It's taken more than four ...

Professor Stephen Hawking is backing a new search for alien intelligence on an astronomical scale that within 10 years could reveal if we are alone in the universe. The renowned cosmologist and ...

If aliens really do exist, why haven't they already tried to contact us? The idea of intelligent extraterrestrial life has long gripped scientists and the public alike, with a multitude of theories ...

Add Yahoo as a preferred source to see more of our stories on Google. A strange object hurdling through our solar system from interstellar space may, according to one of academia's most controversial ...

Astrophysicist proposes a ‘radically mundane’ theory for why humans have yet to encounter extraterrestrials For centuries, great thinkers have pondered why, given the hundreds of billions of planets ...

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