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 ...

The potentially spectacular Comet ISON streaks through the constellation Leo (The Lion) in a stunning new NASA photo taken just a month before the icy object's highly anticipated close encounter ...

Continuing a pattern of surprising behavior, comet ISON appears to have survived its trip around the sun. NASA and other space agencies have tracked the sungrazer comet, named for an orbit that ...

Amateur astronomers using powerful equipment to follow ISON's path have been unable to see a "nucleus," the icy heart that defines a comet. One keen-eyed NASA spacecraft that looks at the sun was ...

A NASA spacecraft has captured its first photos of comet ISON, an icy wanderer that some scientists say could dazzle as a "comet of the century" when it swings through the inner solar system later ...

New images from one of NASA's solar telescopes show the comet ... saying that you should not make any plans (based) on a comet," says ISON-watcher Emmanuel Jehin of the University of Liege in ...

The ISON images clearly outline the curve of the comet's orbit path. The images were captured by ESA/NASA's SOHO mission. [Read the Full Story on Comet ISON's Apparent Survival Here] Comet ISON ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...

“It kicked up its brightness like crazy in the past couple days,” said Carey Lisse, coordinator of NASA’s Comet ISON observing campaign. “We now have a naked-eye object.” As of Friday ...

NASA spotted Comet ISON coming on strong on Thursday. An awesome set of images shows Comet Encke, its tail wriggling, along with Mercury and Earth. Then ISON enters the field. It looks like a ...

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 ...

20131203_me_17.mp3?orgId=1&topicId=1026&d=84&p=3&story=248202813&t=progseg&e=248235987&seg=17&ft=nprml&f=248202813 Listen • 1:23 20131203_me_17.mp3?orgId=1&topicId ...