As it crossed our Solar System, the interstellar object 3I/ATLAS released up to the equivalent of 70 Olympic swimming pools ...

It survived. Interstellar comet 3I/ATLAS has flown past the Sun and emerged intact, but it is not done making news. As of 15 November 2025, it is putting on a show: it has grown a spectacular tail, ...

Astronomers found 'heavy water' in interstellar comet 3I/ATLAS, suggesting it formed in a cold, unusual environment beyond ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

On a winter night in Chile in July 2025, astronomer Larry Denneau’s automated pipeline at the ATLAS (Asteroid ...

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...

The astronomer used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to make the observations.

An interstellar comet carries water unlike anything in our solar system, revealing a far colder birthplace and clues about ...

On the 1st of July 2025, the Asteroid Terrestrial-Impact Last Alert System (ATLAS) in Chile spotted a new comet entering our solar system. This comet was named 3I/ATLAS, as it's only the third ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...