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

It's been 80,000 years since a meteorite by the name Comet Tsuchinshan-ATLAS has visited our little planet called Earth. But now it's back and even visible by the naked eye in the western skies.

If you want to see what people are calling "the comet of the century," your last chance is coming up soon, as it will most likely not be visible with the naked eye anymore after this weekend.

By Adam Mann This article was originally published on July 15, 2020. Eager sky watchers are turning to the heavens as Comet NEOWISE, one of the brightest comets in a generation, starts climbing ...

Help us keep bring these critical stories to light. Your support makes all the difference. A comet that was last viewed by the Neanderthals tens of thousands of years ago could be seen tonight ...

Comet C/2023 A3 — known simply as Comet A3 — was first discovered last year and was first visible in the night sky earlier ...

And now it's been the once-in-a-lifetime comet. The comet first entered our orbit Oct. 12 when it was closest to Earth at approximately 44 million miles. Since then, observers, especially in ...

BOSTON - It isn't often that we get the chance to see a comet with the naked eye. But, in a year already filled with so many astronomical treats, it looks like we will be able to add a comet to ...

Have you seen comet Tsuchinshan-ATLAS yet? If you've not been able to glimpse the bright, icy space rock that's traveled from the edge of the solar system, it's not too late. But you need to see ...

The Orionid meteor shower is about to peak. Experts say a bright waning moon may make it difficult to spot early Monday.

Blink and you might miss your chance to see this once-in-a-lifetime comet. Here's how to make sure you catch a glimpse. When you think about once-in-a-lifetime events, you probably think of ...

Did you see it?Some stargazers Tuesday night were treated to a once-in-a-lifetime viewing of a rare comet.The comet, called A3 (Tsuchinshan–ATLAS), was discovered in 2023, and likely won't make ...