The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system using ground-based telescopes to document this striking cosmic visitor.

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the dawn of the galaxy.

Comet 3I/Atlas is the third interstellar object astronomers have spotted in our Solar System, and we can expect to see even ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...