Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

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In economics, you’d call that “diseconomies of scale”: what happens when a business becomes so large its bureaucracy costs ...

Tracy Letts’s eerily topical, decades-old play about a woman’s descent into a world of conspiracy theories makes its ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

Physicist Enrico Fermi is credited with saying after a pointless search, “Where is everybody?” which remains the bane of any ...

Artificial brains, humanoid robots and ‘assistants’ are misleading myths – and they directly affect how we use AI.

Writers and Guardian readers discuss the titles they have read over the last month. Join the conversation in the comments ...

Released two days before his death, Bowie’s last album Blackstar was a redemptive masterstroke. But his career was stuffed with failures – and this documentary refuses to gloss over the most painful p ...

It looks like being another brilliant 12 months of cinema – here are some of our most hotly anticipated films.

The third known visitor from another star system, 3I/ATLAS, has already delivered on one of the biggest promises in modern ...