The brightest comet of 1948 was visible this week, but only early birds and milkmen got a good look at it: the comet could be seen only for a short time before dawn. In the north temperate zone ...

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

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

Another sungrazing comet has been discovered after last month's C/2024 S1 (ATLAS). Citizen scientist Zesheng Yang found the ...

Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The Rosetta probe's lander Philae landed on Comet 67P/Churyumov-Gerasimenko on ...

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

2025 isn’t expected to be a great year for comets, but with luck, you might get a few good sightings.