Avi Loeb has become a familiar figure in news coverage about 3I/ATLAS because of his startling theory that the comet could be ...

Lemmon, which is a rare green comet, can be seen with the naked eye on Oct. 21, according to the Royal Astronomical Society, ...

ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.

Astronomers around the world are closely watching an interstellar visitor unlike anything formed in our solar system.

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

TOLEDO, Ohio — Skywatchers have a rare cosmic visitor to look forward to this month. Comet C/2025 R2 (SWAN), first spotted in September by NASA’s Solar Wind Anisotropies instrument aboard the SOHO ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Gemini South Observatory in Chile captured this photo of interstellar comet 3I/ATLAS in July.

An interstellar visitor to our solar system known as 3I/ATLAS has captivated the public for months, and it's not hard to see why. But for scientists around the world, the discovery that 3I/ATLAS is ...