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

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

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

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

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

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

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

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 ...

Harvard physicist Avi Loeb says the 3I/ATLAS anomalies could hint at alien technology, a possibility with major implications for humanity ...

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

Atlas will race past Earth at 130,000mph, coming within 170 million miles, roughly twice as far away as the sun. Scientists ...