It’s dead! It’s alive! Did something survive? You’ve probably heard about the famous sun-grazing comet ISON, which made its closest approach to our local star on Nov. 28. But over the Thanksgiving ...

Now, it appears ISON did survive its close encounter with the sun. Comet ISON moves closer to the sun in this image composite with the sun imaged by NASA's Solar Dynamics Observatory in the center, ...

After a multimillion-year plunge from the frozen fringes of the solar system, Comet ISON may have broken apart and evaporated in the fierce heat and crushing gravity of the sun before or during a ...

Comet ISON popped into the very edge of the Solar and Heliospheric Observatory's field of view late Tuesday, and it looks as if it might be in for an early surprise: an encounter with a storm of ...