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Astronauts separate fact from fiction in Alfonso Cuarón's 3-D space epic, Gravity.
Two astronauts answer your questions and discuss the many curiosities of living in space.
The tumultuous saga of the Shuttle program comes to an end and NASA moves on.
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.