How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Monday, Oct. 21, with sky charts, ...

An exceedingly rare comet made an appearance in Arizona on Sunday night. The once-in-80,000-year sight made its closest ...

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

After this week’s stunning Northern Lights display above Ireland, the country is set for a front row seat to another ...

With comet C/2023 A3 (Tsuchinshan-ATLAS) visible after sunset, astronomers are reporting new "all of nothing" comet, called C ...

The 'comet of the century' will soon be gone for another 80,000 years, but you can still see it this weekend. Here's how.

The “comet of the century” will still be visible for another few days in North America. The icy object, known to scientists ...

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

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 ...

Greater Cincinnati stargazers were treated to a rare sight Thursday as a once-in-a-lifetime comet graced the sky.

During this past week, I’ve gone out every night to look for Comet C/2023 A3 Tsuchinshan-ATLAS. I’m not going to type all that out more than once. But really, what a time to be alive!