Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

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

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Interstellar comet 3I/Atlas, now heading back into deep space, showed no evidence of alien technology after extensive radio observations by SETI researchers. Astrobiology Web SETI scanned 3I/Atlas for ...

Alan Hale, who has died aged 67, was the co-discoverer, with Thomas Bopp, of Comet C/1995 01, better known as Comet Hale-Bopp, which put in a spectacular appearance in early 1997 before departing for ...

In 1995, he and Thomas Bopp spotted, from different states, the same mysterious object in the sky. What turned out to be a comet was named after them: Hale-Bopp. By Trip Gabriel Alan Hale, who wheeled ...

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SETI Scientists Searched Interstellar Comet 3I/ATLAS for Alien Signals Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none. The ...