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

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

Potentially deadly comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, new ...

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

Comet C/2024 S1 (ATLAS) passed its closest point to Earth on Oct. 23, reaching a magnitude of 8.7, far too dim to be seen with the naked eye. Still, telescopes were able to catch a glimpse of the icy ...

A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated before the day of ghosts and ghouls. NASA confirmed Tuesday its sun-observing spacecraft ...

But scientists believe comets hurtling through space may hold that wisdom. Like an asteroid, a comet orbits the sun. The latter is a ball of ice, dust, and rock that formed in the outer solar system.

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.

The passage of Comet C/2023 A3 presented an opportunity to gain insights into the near-Sun environment and solar space weather.

The skies over Iowa recently have been filled with Northern Lights on many nights and a comet, C/2023 A3 (Tsuchinshan-ATLAS) ...

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