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

The White House has appointed Harvard astronomer Avi Loeb to lead a new scientific advisory team investigating unidentified ...

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

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

Avi Loeb is leading a new Science Advisory Council tasked with finding the origin of unidentified objects spotted by military pilots and others. It's part of a broader White House effort studying ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...