The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

A mysterious object has been identified as an “interstellar visitor” by NASA while shooting through our solar system, sparking discussions about its origin and nature. A Harvard astrophysicist ...

A producer and director of a new documentary called The Age of Disclosure is claiming that the U.S. and other countries have secretly recovered alien technology. “We’re in a high-stakes technology ...

I admit it. I was utterly swept up by the 3I/Atlas mania earlier this fall.

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called ...

Harvard's Avi Loeb claims the 3I/ATLAS object might be an alien battleship, but NASA experts insist the data confirms it is ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.