Russians are the largest group of foot soldiers in the group from a non-Muslim majority country and they have also played a leadership role in the organization, write Peter Bergen and David Sterman
The Antarctic ozone layer, which shields the Earth from harmful ultraviolet rays, shows encouraging signs that it's beginning to heal, according to research published in the journal Science.
President Barack Obama was delivering a speech before a joint session of Congress when a white lawmaker jabbed his right index finger at Obama and called him a liar.
The Hubble Space Telescope has captured images of glowing auroras over Jupiter just days before NASA's new Juno spaceship arrives to orbit the gas giant.
New Jersey Gov. Chris Christie -- a former Donald Trump rival turned top defender -- is being vetted as a possible running mate for the presumptive Republican nominee, a source confirmed to CNN on Thursday.
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