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 ...

The Hunter's Moon of October 2024 will be the largest full moon of the year thanks to its proximity to Earth. The moon ...

An icy comet that will take 80,000 years to return – if it survives the trip – is streaking across the sky this October.

Photographers have immortalized Comet Tsuchinshan-ATLAS and you can, too. But you'd better be quick – it won't be around for ...

Comet C/2023 (Tsuchinshan-ATLAS) is putting on a once-in-a-lifetime show. Here's how to see it before it leaves.

The phenomenon, known as an anti-tail, is an optical illusion caused by the Earth's position in the comet's orbital plane.

Don't miss the the celestial wonder on spectacular display on Tuesday night—if you do, you'll be waiting a while to see it ...

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

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

Comet C/2023 A3, also known as the Tsuchinshan-ATLAS comet, was first seen from Earth on Oct. 14, though it was first spotted ...

The rare Comet C/2023 A3, also known as the Tsuchinshan-Atlas comet, is visible in the western sky shortly after sunset every ...