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 Saturday, Oct. 19, with sky charts, ...

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

In this October 13, 2024, image, Comet C/2023 A3 (Tsuchinshan-ATLAS) is seen passing over NASA's Michoud Assembly Facility in ...

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 ...

A comet discovered in 2023 will pass by Earth this weekend and become increasingly visible in Central Illinois over the next ...

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

Only discovered in 2023, Comet C/2023A3 Tsuchinshan-ATLAS is visible through the naked eye right now. It won't return for another 80,000 years.

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

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

Comet C/2023 A3 (Tsuchinshan-ATLAS) is the brightest comet in 13 years, visible to the naked eye. Since Oct. 11, observers in ...