New photos of comet Tsuchinshan-ATLAS appear to show a faint "anti-tail" pointing away in the wrong direction. The puzzling ...

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 ...

The rare comet, Tsuchinshan-ATLAS will be visible in the night sky throughout the rest of October. This is the best time to ...

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

In the days following its sweep around the sun, Ikeya-Seki was a spectacular sight in the late October and early November ...

NEW YORK (AP) — Prepare to spot a rare, bright comet. The space rock is slinging toward Earth from the outer reaches of the ...

This weekend, a rare celestial event will take place as Comet C/2023 A3 Tsuchinshan-Atlas makes its closest approach to Earth ...

We have one comet we are watching now, and a new comet that has just been discovered is about to come into view. This comet, known as Comet C/2024 S1, could become bright enough to see during the day.

A second very large naked eye comet, C/2024 S1 (Atlas), is incoming, scientists say, just a week before Comet C/2023 A3 ...

Quality planetarium software is essential to planning observations, especially for comets. Many software packages are ...

The spherical shell known as the Oort Cloud is, for all practical purposes, invisible. Its constituent particles are spread so thinly, and so far from the light of any star, including the Sun, that ...

It's important to note that comet behavior is notoriously unpredictable and data on this new sungrazer is subject to change.