Since the discovery of Comet ISON in September 2012, astronomers worldwide have eagerly anticipated its peak performance in late 2013. Many have high hopes that ISON will turn out to be a glorious ...

The Comet ISON appears to have survived after disappearing and being thought dead. New NASA photos show the comet emerging from behind the sun smaller and dimmer, but still throwing a big light trail.

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After Comet ISON’s tumultuous close approach to the sun on Thursday, scientists are working to determine whether it still exists or is now nothing more than dust. The comet, which was first spotted in ...

CAPE CANAVERAL, Florida (Reuters) - Astronomers slated to meet this week to discuss observing plans for Comet ISON may not have much to talk about. The so-called "Comet of the Century" may already ...

(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 ...

The first pictures of Comet ISON taken by the Mars Reconnaissance Orbiter (MRO) are finally here. That's it? OK, they're probably not what we were expecting, but they do give astronomers information ...

(AP) 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 have ...

Comet ISON, once optimistically called the comet of the century, is dead, the victim of a way-too-close brush with the sun. It was barely a year old. The comet, which excited astronomers and the media ...

Comet ISON's remains in good health and in one piece as it approaches the sun today at over 150,000 mph (243,000 km/hr). At 36.8 million miles, the comet has arrived at nearly the same distance from ...

The good folks at NASA recently captured footage of Comet ISON traveling by Earth on its way toward the sun. The comet will begin rounding the sun today and, as The Verge reports, it will be "an ...

CAPE CANAVERAL, Florida (Reuters) - A comet is heading for a close encounter with the sun later this month, and if it is not vaporized or torn apart, it should be visible to the naked eye in December.