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.

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

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

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

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 ...

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

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

Keep your eyes trained to the western sky after sunset for a chance to spot this brief visitor from the edge of our solar ...

People around central Illinois got to see a comet that was discovered in 2023. The comet, called C/2023 A3 Tsuchinshan-ATLAS, (A3 for short) survived its close transit of the sun and is visible in the ...

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