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

A once-in-80,000-year sight will make its closest approach to Earth this weekend before heading into the vast abyss of outer space. Comet C/2023 A3 Tsuchinshan-Atlas made its closest approach to ...

There have been signs of instability in the comet. It has undergone at least one outburst, which is what it sounds like: a ...

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

As pressure builds, the comet’s shell cracks, releasing an icy mixture, or cryomagma, into space. This process makes the ...

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 ...

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

So, much of the damage was done before it got close to the sun, giving our nearest star a partial pass on being the full ...

NASA says a recently discovered comet has broken apart as it approached the sun. The space agency said Tuesday its ...

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.

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