Seeing the Light of Day
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Oh, the light! The autumn light! Is there anything more glorious than an October day, awash in the sun's low-slung amber rays?
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By Karen Nelson, The Sun Herald, Biloxi, Miss.  Feb.
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By Ron Sylvester, The Wichita Eagle, Kan.  Feb. 12--Flip a switch and the lights come on -- no thinking required. But think about what happens on the other end of that switch. To generate some of the power for that light, it takes a plant burning coal miles away.
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When Venus crossed the Sun June 8, showing up as a clear black dot to the delight of millions of skywatchers around the world, astronomers noted something less obvious: The amount of sunlight reaching Earth dipped by 0.1 percent for a few hours.
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ATHENS, Greece - Walking down the 18th fairway at Augusta National Golf Club in April, I looked wistfully across the course as the sun was fading into the pines, creating a surreal mixture of light and shadows.
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Researchers find way to make tiny structures emit different wavelengths of light.
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By By Melanie Sill, The News & Observer, Raleigh, N.C.  Jun.
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Dominican New Yorkers had a message yesterday for the newly elected president of their homeland: Let there be light.
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Reader Shanti Palepu sends us a photograph.
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UK researchers have developed a way of using light to detect the presence of bacteria.
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How do you photograph the sun's yearly figure-eight path in the sky? With a huge amount of patience, say the small handful of photographers who have managed the tricky feat. By Amit Asaravala.
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Early autumn is a fine time for stargazers, with generally clear skies, moderate temperatures and darkness falling earlier and earlier in the evenings.
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An electronic &quot;artificial eye&quot;, developed for people with impaired vision, has been shown to reliably identify pedestrian crossings, determine when it is safe to walk across and even measure the width of a road.
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By STACI MATLOCK, PHOTOS COURTESY OF BRENDA DOLAN-HOBGOOD  On Sept.
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Compact fluorescents are efficient, but many people have not embraced their glow.
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On Saturday evening, it's "Lights out San Francisco," where people will voluntary turn off lights for an hour. The aim is to raise awareness of light pollution and the energy wasted by lights left on.
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It&#39;s not even 5 pm on a workday and the corridor outside Li Chengwen&#39;s office is dark. The air is moist and warm. By Eugene Hoshiko, AP.