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Some of our solar system's landmarks can trace their origins to massive impacts.
Two new studies present very different ideas about how the Moon was formed -- a riddle that one scientist says may never be solved.
Planetary Scientist Erik Asphaug describes the evidence for an ancient lunar collision.
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...
Could popping a pill turn a couch potato into a long-distance runner?