Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

Watch Comet C/2024 S1 (ATLAS) make a death dive into the sun in this eerie footage from the Solar and Heliospheric ...

There have been signs of instability in the comet. It has undergone at least one outburst, which is what it sounds like: a ...

Astrophotographer Miguel Claro captured Comet C/2023 A3 (Tsuchinshan-ATLAS) from the Dark Sky Alqueva reserve in Portugal on ...

Nicknamed the “Halloween comet,” Comet C/2024 S1 (ATLAS) evaporated during its flyby of the sun on Monday morning. An ESA and NASA telescope captured its demise.

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this weekend, with sky charts, before it disappears.

Find out how comets are connected to some of our favorite annual astronomy events with November's Night Sky Notes!

U.S. Naval Research Laboratory’s CCOR captured solar CME images, while the LASCO telescope observed comet Tsuchinshan-ATLAS ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A comet nicknamed ...

NASA says a recently discovered comet has broken apart as it approached the sun. The space agency said Tuesday its ...

The so-called "Halloween comet" vaporized as it flew within 1 million miles of the sun on Monday, its destruction captured by ...