In a reversal that would make a comic book writer blush, scientists seem ready to resurrect Comet ISON after its untimely Thanksgiving demise. Over the holidays, NASA brought leading astronomers ...

Comet ISON has taken the summer off, hiding from the eyes of Earth-based telescopes in the constellation Gemini the Twins. Not only does the comet remain faint, but it's in the same area of the sky as ...

There were hopes over the weekend that ISON might have survived its close encounter with the sun. But "with more than a little sadness," the space... Comet ISON Is No More, NASA Says Comet ISON, a ...

(Update: Thanksgiving Day, 2:18 PM ET: Astronomers working with NASA’s Comet ISON Observing Campaign (CIOC) continue to monitor ISON’s progress as it swings around the sun. No word yet on its ...

(AP) For months, all eyes in the sky have pointed at the comet that’s zooming toward a blisteringly close encounter with the sun. The moment of truth comes Thursday Thanksgiving Day. The sun-grazing ...

Visualizing astronomical concepts can make astronomy a real challenge for the beginner. That's why nice people create simulations to help us understand how objects like comets move and evolve as they ...

If the comet ISON makes it out intact from its encounter with the Sun this week, the Earth is in for a potentially dazzling sight in the December night skies as it passes close to Earth and out ...

Comet Ison is looking pretty good as it approaches the sun, with a big, long tail and a greenish hue. Astronomers still don’t know if it will survive this passage intact and have enough volatiles ...

Within days after a new comet is first discovered, astronomers can tell you exactly what its path through the solar system will look like. They can calculate when it will make its closest approach to ...

After a remarkable flare up in brightness last week, comet ISON has become visible to the naked eye as it passes Earth on its journey toward the sun, according to reports from the Comet ISON Observing ...