Patients with a common genetic mutation may be more susceptible to visual problems because of an active ingredient in Viagra.
Scientists looking at 16 cases of wild weather around the world last year see the fingerprints of man-made global warming on more than half of them.
After months of polar vortexes it’s finally almost time to lay out in the sun and sand. To help get the ball rolling, we rounded up the 25 best beaches in the world.
52 scientists and tourists are being helicoptered to an ice floe next to an Australian icebreaker, then taken by boat to the vessel.
U.S. intelligence officials and experts say if the National Security Agency did eavesdrop on phone conversations between a New Zealand journalist and his Afghan sources, it was likely part of standard military intelligence monitoring of enemy communications.