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 ...

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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.

The latest data coming in from NASA and the ESA suggests that comet ISON, which has been documented in recent days on its beautiful journey toward the sun, may be no longer. ISON's destruction was not ...

In the furor of following Comet ISON, we've almost lost track of another fine, fuzzy fellow - Comet Lovejoy. Last we checked in on this comet during the first half of November, it had swelled to ...

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 ...

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 ...

Comet C/2012 S1 ISON with its tadpole-like tale photographed through a 14-inch telescope on April 1. The comet has brightened little in the past three months. Credit: William Wiethoff So what's up ...

(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 ...