The sun-grazing comet spent Thanksgiving visiting our neighborhood star, and seems to have emerged from its shadow to tell the tale.
The potential comet of the century grazed the sun last week, and it now appears it didn't survive to put on a once-in-a-lifetime Christmas show for us.
Already visible from Earth with binoculars, ISON will get up close and personal with the sun on Thanksgiving Day.
NASA releases a short movie showing comet ISON's approach near the fiery grasp of the sun over the course of five days.
Potential "comet of the century" will be visiting the sun for Thanksgiving Day. There's one last chance to catch this week before it fizzles or makes history.
It could be the brightest comet in decades, or even centuries, and it's coming to visit for the holidays. It might also fizzle out.
The closest look ever at a new comet will happen when the mountain-size comet Siding Spring buzzes past Mars this weekend.
The European spacecraft finally sent a signal home after 31 months of hibernation. Now it prepares to meet up and ride along with a comet later this year.
The European Space Agency's solar-powered Rosetta craft will "wake up" after napping for two and a half years and begin the final part of its unprecedented journey to rendezvous with a comet.
If real Doctor Whos are out there, they may have left traces of their feats online. Two researchers went looking for their time-traveling trails.