Astronomers take sharpest photos ever of the night sky (Update)

Astronomers at the University of Arizona, the Arcetri Observatory near Florence, Italy and the Carnegie Observatory have developed a new type of camera that allows scientists to take sharper images of the night sky than ever ...

Planet hunters no longer blinded by the light

(PhysOrg.com) -- University of Arizona astronomers have developed a way to see faint planets previously hidden in their star's glare. The new mode enables scientists to search for planets closer to the star than has been ...

Mice living in sandy hills quickly evolved lighter coloration

In a vivid illustration of natural selection at work, scientists at Harvard University have found that deer mice living in Nebraska's Sand Hills quickly evolved lighter coloration after glaciers deposited sand dunes atop ...

High-altitude weight loss may have an evolutionary advantage

Weight loss at high altitudes—something universally experienced by climbers and people who move to higher terrain—may not be a detrimental effect, but rather is likely an evolutionarily-programmed adaptation, according ...

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