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

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

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Sunday, Oct. 20, with sky charts, ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Saturday, Oct. 19, with sky charts, ...

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

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 ...

In a remarkable cosmic event captured by the Solar and Heliospheric Observatory, Comet C/2023 A3 (Tsuchinshan–ATLAS), the ...

Both comets will glow green in our skies. One comet, called C/2023 A3 (Tsuchinshan-ATLAS) is already visible, while another ...

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

The comet C/2023 A3 was first spotted on Jan 9, 2023 by astronomers at the Purple Mountain Observatory of the Chinese Academy ...

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

Discovered in January 2023, A3 reached the closest point in its orbit to the Sun, known as perihelion, on Sept. 27, followed ...