Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

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 ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

Few names in the UFO world provoke as much fascination and frustration as Bob Lazar. More than three decades after he first went public, Lazar remains the most famous whistleblower to claim he worked ...