Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

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 ...

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

On November 12, 2014, a European spacecraft named Philae tried to land on Comet 67P. To say it was a bumpy landing would be ...

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.

Comet 29P/Schwassmann-Wachmann is a centaur, a class of objects that orbit between Jupiter and Neptune. However, it displays ...

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

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.

A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated after passing close ...