A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

WD 1856 b circles the burnt-out core of a dead star at a distance that seems almost impossible. The giant planet skims around ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Scientists have identified interstellar comet 3I/ATLAS as the oldest known object to pass through the solar system, dating ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...