A supermoon will hang in the night sky bigger and brighter than usual during its perigee, and a great time to head outside to ...

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

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

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

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

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

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

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

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

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 ...