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 ...

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

Comet C/2023 A3 making closest pass to Earth Comet Tsuchinshan-ATLAS has an 80,000 year orbit and, it just so happens, that it is now approaching its closest pass to Earth. On Wednesday ...

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

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Tuesday, Oct. 29, with sky charts, ...

An “ancient” comet that won’t be seen again for tens of thousands of years will be visible Thursday night, after traveling from beyond the solar system to within its closest point to Earth ...

Comet ATLAS (C/2024 S1), nicknamed the 'Headless Comet,' might be seen on Halloween because only a faint display of its tail ...

Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but ...

Astronomers say the comet was last visible from Earth about 80,000 years ago when Neanderthals roamed the planet. Scientists in China and South Africa spotted it within about a month of each other ...

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