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

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

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

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

will probe a comet visiting our solar system for the first time. As such, the comet will contain material that has undergone ...

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

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

Comet 67P was headed toward the inner solar system during the Rosetta mission. So the probe was tasked with rendezvousing ...

Researchers say the scale of Bernardinelli-Bernstein, which has a mass of 500 trillion tons, is significant because it provides a clue about the size range of other comets orbiting in the distant ...