Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a recent study.

In the early hours of December 19, 2025, a rare interstellar object known as 3I/ATLAS will make its closest approach to Earth ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

Add Yahoo as a preferred source to see more of our stories on Google. But now a fourth and much larger object has been spotted entering the solar system, and the scientific community is rushing to ...

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

The interstellar comet, originally called A11pl3Z and now known as 3I/Atlas, was first reported by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope at El Sauce Observatory in ...

The curious minds at What If predict the effects if Planet X entered our solar system, revealing orbital chaos, climate ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...