Common US snake actually three different species

New research reveals that a snake found across a huge swath of the Eastern United States is actually three different species. Published in the journal Molecular Phylogenetics and Evolution, analyses of the yellow-bellied ...

Wild bee decline threatens US crop production

The first national study to map U.S. wild bees suggests they're disappearing in many of the country's most important farmlands—including California's Central Valley, the Midwest's corn belt, and the Mississippi River valley.

Firms see tidal energy as wave of future

Moored in the channel, the little gray barge strains against a raging morning tide. The torrent soon will drain nearby rocky inlets and fishing harbors by 20 feet - as high as a two-story house - only to flood them again ...

NASA probes hit moon twice (Update 2)

NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, created twin impacts on the moon's surface early Friday in a search for water ice. Scientists will analyze data from the spacecraft's instruments to assess ...

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