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SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech Trump warns Republicans after Supreme Court mail-in ballot smackdown Coffee ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks posed by UFOs ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...