STOCKHOLM — A comet that gained an earthly following because of its bright tail visible from space was initially declared dead after grazing the sun. Now, there is a sliver of hope that Comet ISON may ...

Looks like Comet ISON may have what it takes to take a licking and keep on ticking. A new study by scientists at the Lowell Observatory and Southwest Research Institute (SwRI) indicates that Comet ...

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 ...

(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 ...

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 ...

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 ...

Just when Comet ISON came to life, the moon crept back into the morning sky to rob the comet, at least temporarily, of its splendor. With a full moon on tap for tomorrow, expect the comet to get ...

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 ...

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 ...

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 ...