Study: Viagra May Cause Vision ProblemsPatients with a common genetic mutation may be more susceptible to visual problems because of an active ingredient in Viagra.
Scientists Link Wild Weather Cases To Man-Made Global WarmingScientists 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.
The 25 Best Beaches In The WorldAfter 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.
Rescue Begins For Icebound Ship In Antarctica52 scientists and tourists are being helicoptered to an ice floe next to an Australian icebreaker, then taken by boat to the vessel.
US Intelligence Officials: Unlikely That NSA Helped Spy On NZ JournalistU.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.