Newly discovered comet C/2025 R2 (SWAN) will soon be gracing our evening sky. Here's how to see it and what to expect.

As Universe Today reports, scientists have worked back the trajectory of the comet, known as 3I/ATLAS, back to what they ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

No tricks, but skywatchers may be in for an October treat when a newly discovered comet passes through our skies. Comet ...

Now roughly 14th magnitude, Comet C/2024 E1 Wierzchoś is ripe for spotting with an 8-inch scope. With no Moon in the evening ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object cruises toward the sun.

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to ...

During September's total lunar eclipse, astronomers captured rare images of interstellar comet 3I/ATLAS glowing green, ...

In the sleepy predawn hours of August 30, a Ukrainian amateur astronomer named Gennady Borisov spotted a strange comet zooming through our solar system. Now, astronomers have provisionally verified ...

As of Thursday, the comet known as 3I-Atlas was 238 million miles (384 million kilometers) from Earth and growing ever nearer ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. CAPE CANAVERAL, Fla. (AP) — Telescope observations reveal a growing tail on the comet that’s ...