Former NFL cheerleader-turned-primatologist hosts new show highlighting urban wildlife
New National Geographic program gets up close in the wild
Cesar Millan and young hero on the curvy couch
Virgin Galactic, Richard Branson's push into space tourism, conducts the first manned glide of its commercial spaceship
NYPD K9s are real 'Blue-Collar Dogs'
Scientists discover new species of crocodiles that once dominated Earth
National Geographic catches great whites feeding at night
Great white expedition catches and tags 17 sharks
Bob Ballard leads new expedition for sunken World War I battleships
Could Hitler's wonder weapon have changed outcome of the war?
How can scientists turn the red planet green?
Ed Begley Jr. gets heated defending global warming phenomenon
National Geographic host goes toe-to-toe with some of world's wildest creatures
Jakub Vagner tackles giant creatures of the deep
Up-close look at lioness' life
National Geographic documentary captures eyewitness accounts of devastating hurricane
National Geographic's Mireya Mayor brings some cute critters to 'America Live'
National Geographic travel author with tips on reducing travel stress
Helping to keep New York City streets safe