Just when scientists thought that all butterfly species in the eastern U.S. were identified, researchers stumbled across not one, but two new species, right under their noses.
The study, which compared fMRI brain scans of dogs and humans, showed that dogs respond most to sounds from other dogs, and humans to the voices of other humans.
Scientists like to compare Earth and Venus. What happened differently at Venus to make it so harsh and inhospitable? These space weather explosions may help explain.
January 2014 also marked the 38th consecutive January and 347th consecutive month (almost 29 years) with a global temperature above the 20th century average.
An international team of astronomers sight huge clouds of gas orbiting supermassive black holes at the centers of galaxies. Watch a video depicting the swirling clouds.
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