Touching the Tangled Sun
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One of the great mysteries for astronomers is why our Sun's surface is so much hotter than its core. The counterintuitive answer, according to a suite of solar observatories, hinges on the Sun's tangled magnetic field and deep, fiery waves...
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Reader Shanti Palepu sends us a photograph.
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By John Noble Wilford Early people in Peru, like others in antiquity, went to great lengths to track the rising and setting of the Sun through the seasons as a guide for agriculture, an object of worship and a mystical demonstration of a ruler's power.
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The Sun is in the thick of one of the longest and stormiest periods in 8000 years, say researchers who have tracked down an 11,400-year record of stormy sunspot activity in tree rings.
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By Merri Niland-bare  This evening, as the "day goeth away, and the shadows of the evening are stretched out," look low in the east for the mysteriously crimson full Moon, struggling to be noticed in the early twilight.
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With the Moon reaching New    phase on Jan. 10 and thus leaving the sky darker, now is an ideal time to get    out your binoculars and explore the profusion of open or galactic star clusters    now evident in our evening sky.
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By Joan MorrisStaff  Despite global warming, wars in far away places and Paris Hilton's escapades, the old Earth keeps spinning. And the first officialweek of summer is underway. Yes, dust off the flip-flops- it's a time for some sum-sum-summertime fun.
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Rolf Disch has harnessed the sun in his city of Freiburg, starting with his own house.
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Too much sun provides a chance to put a product to the test on a mother-daughter business trip.
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Astrophysicists find a star-like object with a surface temperature just one tenth that of the Sun.
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Reader Sunaina Yadav shares her experiences.
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The tide is high but I'm holding on.
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Our atmosphere is home to many stunning optical phenomena; rainbows, lightning and fiery red sunsets to name but a few. For many, the Northern Lights, or Aurora Borealis
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The world of science has been busy all through 2004. The probing eye looked in all directions. It looked at the skies, at the ground beneath our feet, at the wings of a butterfly and at the molecules of water.
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By Thomas R. Webber  With the recent heat wave we have all been baking through, it may be hard to believe that this month marks the change of seasons.
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1. "A Thousand Splendid Suns" by Khaled Hosseini
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BOULDER, COLORADO -- Think    of it as some sort of extraterrestrial axiom: Look for places on a celestial    body where the Sun doesn't shine.