Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures ...

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 ...

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 ...

Harvard physicist Avi Loeb announced the discovery of tiny "spherules" at the bottom of the Pacific. He said these spherules may be from an alien technology outside of our solar system. But three of ...

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 ...

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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