A tree-climbing scientist takes the measure of a 3,200-year-old, 247-foot-tall sequoia.
National Geographic on TV: Big Cat Week
Find out why you shouldn’t panic—at least, not yet.
First printed 400 years ago, it molded the English language, buttressed the
Once heavily hunted for its valuable skin but now protected, Brazil's yacare caiman is striding back in gratifying numbers.
Visions: Your Shot
In his award-winning film, photographer Pete McBride follows Jonathan Waterman's attempt to paddle down the Colorado River from source to sea, with surprising results.
Next: Jellyfish Currents
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The Innovators Project
Meet some of science's most important movers and shakers—from past and present.
How to Feed Our Growing Planet
National Geographic explores how we can feed the growing population without overwhelming the planet in our food series.