There are now an estimated to be 60-80 Persian (aka, Caucasian) leopards dwelling in the country's nature reserves.

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate relatives spread after the mass extinction.

When California musician Jason Mesches sent a picture of himself sporting a new pair of orange glasses to his friend (who just happens to be a father of five), the friend replied, "Brother, those are ...

We build cities to create spaces for living and working, but all of that concrete distances us from the natural world.

"The largest elephant ever. It doesn't matter if they are a dream or reality." National Geographic's latest documentary film, "Ghost Elephants," follows Nat Geo explorer Steve Boyes to locate the ...

Your kids are likely seeing more gun content online than you might expect. "Awareness of this problem is so low," says Nicole Hockley, co-founder of Sandy Hook Promise, a national nonprofit ...

To download photos, visit the Zoo’s newsroom. With fewer than an estimated 120 Arabian leopards remaining in the wild, coordinated global action is essential to prevent the extinction of one of the ...

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