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perihelion

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Reports of Comet ISON's death may be greatly exaggerated

The sun-grazing comet spent Thanksgiving visiting our neighborhood star, and seems to have emerged from its shadow to tell the tale.

By November 29, 2013

Article

Earth cozies up super close to the sun today

Is it hot in here? The Earth is as close to the sun today as it will be all year. Time to break out the sunscreen.

By January 2, 2013

Article

Tiny planet extends the borders of our Solar System

A dwarf planet out beyond Pluto has been found orbiting our sun — and there may be another planet 10 times the size of Earth.

By March 26, 2014

Article

Comet ISON: Viewing guide for the comet of a lifetime (maybe)

Potential "comet of the century" will be visiting the sun for Thanksgiving Day. There's one last chance to catch this week before it fizzles or makes history.

By November 25, 2013

Article

Top Comet ISON watcher calls space rock officially DOA

The potential comet of the century grazed the sun last week, and it now appears it didn't survive to put on a once-in-a-lifetime Christmas show for us.

By December 2, 2013

Article

Hubble captures possible 'comet of the century'

NASA's Hubble telescope has snapped some of the first pictures in visible light of Comet ISON, which may become one of the brightest we've ever seen from Earth.

By April 24, 2013