Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

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 ...

WASHINGTON (AP) — 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 ...

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

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research ...

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

An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep space and has even been described by a Harvard physicist as a possible alien ...

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

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...