Only discovered in 2023, Comet C/2023A3 Tsuchinshan-ATLAS is visible through the naked eye right now. It won't return for ...

The coma and long tail of comet Tsuchinshan-ATLAS, also called C/2023 A3 (Tsuchinshan–ATLAS), is currently shining at ...

Astronomy enthusiasts in the U.S. have had the chance to witness stunning celestial events recently. Highlights include a ...

The Oort Cloud is a theorized invisible spherical shell that surrounds the Sun.

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Oct. 18, with sky charts, ...

The ancient comet—dubbed the “comet of the century”—returns to the inner solar system only once every 80,000 years.

ATLAS, not seen since the Neanderthals, is visible in the Alton, Illinois, area. Catch a glimpse before it fades.

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this weekend, on Friday, Oct. 18, ...

Dozens of people gathered at the 606 Bloomingdale Trail, 1805 N. Ridgeway Ave., Thursday night for an observation event ...

The best comet of the year is starting to fade in brightness, but it’s still an easy naked-eye object in the evening sky.

Mainly clear skies will allow you to see the comet tonight with the naked eye. You'll be able to see the comet through the weekend, but it is getting dimmer.

ROCHESTER, N.Y. — People in the Rochester area will have another chance to see a rare comet on Friday night. A comet known as ...