If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

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

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

Interstellar visitors don’t have this problem because they were never part of the solar system’s plane to begin with.

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

In an astronomical first, researchers have measured the magnetic fields of 7 "hot Jupiter" planets beyond our solar system — ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

The winds on seven hellish alien worlds are moving in the wrong direction. That strange anomaly just cracked open one of ...