News
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AstronomyNearest extrasolar planet
Astronomers have confirmed the existence of the nearest known planet beyond the solar system.
By Ron Cowen -
PaleontologyAsian amber yields oldest known bee
A tiny chunk of amber from Southeast Asia contains the remains of a bee that's at least 35 million years older than any reported fossil of similar bees.
By Sid Perkins -
AstronomyBlack hole survey
Scanning the sky for high-energy X rays, a NASA satellite found more than 200 supermassive black holes within 400 million light-years of Earth.
By Ron Cowen -
EarthFarm salmon spread deadly lice
In the Pacific Northwest, sea lice that spread from cultivated salmon to their wild counterparts have become major parasites affecting the wild population.