The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

Comet C/2025 A6 (Lemmon) is rapidly approaching Earth, giving skywatchers an extremely rare opportunity to spot the sparkly comet Davide Pischettola/NurPhoto via Getty Comet Lemmon (C/2025 A6) is ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

We humans are a curious bunch. Whenever we come across something unfamiliar, our minds naturally start filling in the blanks about what it could be. That’s exactly what’s happening with comet 3I/ATLAS ...

Comet C/2025 R3 (PanSTARRS) is already being talked about as the sky spectacle to watch in 2026, with some wondering if it might rise to the rare status of a “great comet.” The object is on track to ...

Lucky are those who have seen a great naked-eye comet, one with a head and tail so intense that you need only look up to see it. It’s a rarity: On average, such a comet — brighter than magnitude 0 — ...

Interstellar comet 3I/ATLAS, discovered in July, will approach Earth on December 19th. This rare visitor from another star system, unlike typical comets, offers scientists a unique chance to analyze ...

Comet‍‌‍‍‌‍‌‍‍‌ 3I/ATLAS is just the third object that we know of that has been observed to pass through our solar system from interstellar space; hen.

On Jan. 12, NASA astronaut Don Pettit on the International Space Station sent back an image of comet C/2024 G3 (ATLAS). A comet that hasn’t been in the inner solar system for around 180,000 years and ...