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 ...

A decade ago, scientists at the European Space Agency (ESA) had just wrapped up the yearslong process of building a ...

Above: Takaya Okada (Japan) observes Comet C/2023 A3 with his EVSCOPE2. In the background you can see the comet tracing its ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Nov. 1, with sky charts, ...

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

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

NASA says a recently discovered comet has broken apart as it approached the sun A recently discovered comet that some ...

The Halloween comet, C/2024 S1, disintegrated as it approached the sun. It's last fascinating moments were captured by the ...

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

NASA confirmed Tuesday its sun-observing spacecraft captured the moment when the comet Atlas broke into chunks this week as ...

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.