For decades, the search for extraterrestrial intelligence has been guided by one hopeful assumption: somewhere in the galaxy, ...

Immigration: A federal judge on Monday struck down a Trump administration policy to impose a $100,000 fee on visas for ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

When ET phones, don’t pick up. Scientists have outlined a set of protocols for responding to extraterrestrial contact, ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said ...

Only 6.6% of surveyed astrobiologists agreed that scientists had probably found extraterrestrial life on exoplanet K2-18b.

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

A pair of stars spiraling around each other. That's the origin of a new source of repeating radio bursts we've detected, ...

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KENNEDY SPACE CENTER — Apollo astronauts set the world record for distance from the Earth more than 50 years ago, but the Artemis II crew broke the record for distance on Monday afternoon as they are ...