Humans have been observing comets for thousands of years. Though comets appear infrequently, when they do appear, they can be visible to the naked eye at night as a bright white star with a long, ...

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 green comet recently discovered by astronomers may become bright enough to be visible to the naked eye. An image of the comet, known as Comet C/2022 E3 (ZTF), was published on Monday by NASA. It was ...

Comet Tsuchinshan-ATLAS will have a close encounter with the sun today (Sept. 27) here's how to make the most of comet viewing opportunities this weekend and beyond. When you purchase through links on ...