A comet from another star system flew through our solar system and scientists checked it for alien signals

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Could This Visitor From Another Star System Be Alien Technology? SETI Investigates

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

SETI finds no evidence of alien tech on 3I/ATLAS interstellar comet

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

12 billion years old, this interstellar comet is older than our solar system

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...
New Scientist

Earth and solar system may have been shaped by nearby exploding star

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...