The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

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

3I/ATLAS is now exiting our solar system at more than 137,000 miles per hour.

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

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

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

The second wave of observations, conducted since December 2025, have allowed scientists to better characterize the chemical ...

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

We already knew interstellar comet 3I/ATLAS came from somewhere far beyond our solar system. Now scientists have more information on how alien that somewhere really is - a corner of the universe ...

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 ...

ATLAS is back on the map. Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be captured by anyone with basic viewing equipment.