The discovery of comet C/2025 V1 (Borisov) has sparked intense global interest among astronomers and space enthusiasts. Found in early November 2025, the comet’s peculiar orbit and chemical makeup ...

A rare visitor from beyond the solar system has just been found streaking through our cosmic neighborhood. On July 1, 2025, the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, the cosmic interloper ...

(International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; Image Processing: J. Miller & M. Rodriguez ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...