A disease that's wiping out frogs throughout the Americas may not be driven by climate change as previously thought, experts say.

See photos from the April Fools' Day parody, including Paris Hilton gone wild. Though National Geographic helped with design, the magazine had no part in the satire's content.

The appearance of developing countries with no history of whaling at meetings of the International Whaling Commission has anti-whalers crying foul at Japan's alleged attempts to buy pro-whaling votes.

The Harvard Lampoon had a little help from National Geographic itself—though the magazine had nothing to do with the Paris Hilton cover or any of the content.

The tuatara may look the same as it did millions of years ago, but its DNA is rapidly changing, experts say.

Giant sea spiders, spine-crushing daggertooth fish, and pink "sea pigs" are just a sampling of exotic creatures hauled up by scientists during a recent Antarctic expedition.

See a giant squid glossily preserved, the world's tallest man getting a break, northern lights glowing green over the Arctic, and more.

The largest species of giant elephant shrew has been discovered in Tanzania, and it may actually have an ancient connection to elephants.

As honeybees become scarce in the United States and farmers have to hire beekeepers to import bees to their orchards and farms, theft of the beehives is stinging everyone involved.

A suspicious package in the bus's cargo hold turned out to contain a massive lower jawbone that likely belonged to an elephant-like animal.

Humboldt squids can "anchor a knife in Jell-O" by using a gradient of materials to help dissipate stress from their beaks before it can damage soft tissue.

For an odd-looking, big-nosed antelope on the steppes of Central Asia, the threat of extinction is just a whiff away, scientists say.

The ten-foot-long (three-meter-long) reptile likely came to dominate the seas as larger marine animals went extinct 62 million years ago, scientists announced.

Canada's annual seal hunt begins Friday, as activists protest the government's allowance of more killings this year over last year. Warning: graphic imagery

Elephants, GPS, and digital cameras helped conservationists conduct a new rhino census that shows the endangered animals are rebounding in at least one national park.