Comet ISON at 10:51 a.m. EST Comet ISON has moved quite close to the sun in this image from ESA/NASA's Solar and Heliospheric Observatory captured at 10:51 a.m. EST on Nov. 28, 2013.

If Comet ISON 2013 survives as it whips around the sun on Thanksgiving, some predict it could be a spectacular show in December as it flies back to the outer reaches of the solar system and beyond.

Comet ISON Is No More, ... Tragically, on November 28, 2013, ISON's tenacious ambition outweighed its ability, and our shining green candle in the solar wind began to burn out.

This star map (calculated for latitude 46 deg. north, time about 45 minutes before sunrise) for Nov. 10, 2013 shows the comet position of Comet C/2012 S1 (ISON). Image released Sept. 24, 2012.

Did Comet ISON survive its brush with the sun? Four days after the comet made its closest approach to our nearest star, the scientific consensus is “probably not.” Yes, something did survive ...

Comet ISON on Nov. 12, 2013. Photo by Michael Jäger. Once the gas (and ejected dust) in the coma is out in space, it can be affected by both the solar wind and the pressure of sunlight.

Sept. 22, 2012: Comet C/2012 S1 (ISON) photographed at the RAS Observatory near Mayhill, NM, by amateur astronomers Ernesto Guido, Giovanni Sostero and Nick Howes of the Remanzacco Observatory.

The orbit of comet ISON (blue), with its position marked on Nov. 17, 2013, a little over a week before its encounter with the Sun. Illustration by NASA/JPL Advertisement ...

Comet ISON is expected to make its closest approach to the sun on Thursday, Nov. 28, also Thanksgiving Day. ... 2013-11-27T15:19:00Z An curved arrow pointing right. Share ...

Dec. 3, 2013 -- Comet ISON may no longer be streaking across the sky, but that doesn't mean it's completely obliterated. Dean Pesnell, Project Scientist at the Solar Dynamics Observatory at NASA, ...

If ISON lucks out, we could well be raving about the Great Christmas Comet of 2013 by this time next year. (Just don't believe anyone who tells you it's a doomsday comet.) ...

It doesn't look like Comet ISON will live up to the considerable hype, one researcher says. ISON has been billed as a potential "comet of the century," with some experts saying it could blaze as ...