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, ...

Comet A3 hasn't been past Earth since the Neanderthals. Your last chance to see it is approaching fast. Here's where and how ...

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

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

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.

ATLAS, also known as C/2023 A3 or simply Comet A3, has emerged as one of the most impressive naked-eye comets this year. As ...

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

A comet swings by Earth about once every 80,000 years was visible in the skies of Connecticut on Tuesday night.

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

The Tsuchinshan-ATLAS comet was created more than 4 billion years ago when the planets reshuffled and changed the ...