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.

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 ...

Like so many other objects of public fascination, comet ISON has flamed out. For months, this bright comet from the wilderness at the edge of the solar system had scientists and sky watchers on edge.

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 ...

Comet ISON could shine brightly in the night sky around the time of its close solar approach on Nov. 28. Here's the lowdown on ISON and its journey through the inner solar system, which scientists ...

If the comet ISON makes it out intact from its encounter with the Sun this week, the Earth is in for a dazzling sight in the December night skies. By Abby Ohlheiser. November 25, 2013.

A NASA probe orbiting Mercury has returned new photos of Comet ISON, and a number of other spacecraft are all set to document the icy wanderer's much-anticipated solar flyby on Thursday.

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 .

Comet ISON, a "shining green candle in the solar wind," is no longer with us, NASA declared Monday morning in a tribute to what many hoped would be the "comet of the century." On NASA's Comet ISON ...

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 ...

The anticipation is building for Comet ISON's potentially dazzling night sky show this month and a new mobile app promises to help skywatchers spot the comet with telescopes, binoculars and their ...

Comet ISON is brightening, and if you look up to the sky around dawn, you just may be able to see it without a telescope or binoculars.