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

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

Like Icarus, Comet C2024 S1 flew too close to the sun and vaporized this week. Here's how the "Halloween comet" met its fiery ...

The first shows the comet entering from the bottom right corner as it approaches perihelion -- the part of its orbit where it's closest to the sun -- before suddenly disappearing. From talking ...

A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated before the day of ...