Learn the science behind a rattlesnake's strike.
How one man's obsession produced a compelling new theory on how the Great Pyramid was built.
With the weather changing every minute and a full load of passengers, will Steve be able to land his plane safely?
Travel to Darwin, Australia to meet a man who'd do just about anything to capture a lightning bolt on camera.
Terrorists enter Moscow's Dubrovka Theater and threaten to kill everyone inside unless Russia grants independence to Chechnya.
When great apes are put up against kids in this problem-solving test, the results are not what you might expect.
With five degrees of global warming, human civilization is in grave danger.
An elephant army marches on through a dust storm towards the water at the end of their journey.
Video Blogs: Executive Producer, Richard Belfield, talks about shooting reconstruction scenes of Saxon life.
A trio of giraffe idle in front of a gorgeous African sunset.
Wild painted dogs exert social authority over a recently killed dinner.
2nd place PSA in the Preserve Our Planet Film + PSA contest. A climber realizes he has left his empty water bottle on the top of a cliff. Committed to the environment, he returns to collect his trash. Chad Nelsen, Salt Lake Community College.
Mummy specialists help the Sulman family unravel the mystery of their 2,200 year old Egyptian mummy.
Random violence in Detroit targets young people and has the community on edge.
Take a gander at how Nat Geo captured monarch butterflies in flight -- with a tiny one man plane.
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