10/04/2013 8:53amScientists have discovered ancient supervolcanoes on Mars similar to the caldera that sits under Yellowstone National Park.
10/04/2013 9:23amExpecting twins? You probably don't need to schedule a cesarean section. Most moms can safely give birth without surgery, a big study finds.
10/04/2013 10:14amBraving perilous river rapids in Suriname's rainforest, international scientists found six frogs and 11 fish that are among 60 creatures that may be new species, a tropical ecologist with a U.S.-based conservation group said Thursday.
10/04/2013 3:59pmWhen Susan Bennet recorded a series of software scripts in 2005, she had no idea her voice would one day become recognized around the world.