Coprolites from Oregon date to 14,300 years ago—another blow to the Clovis-first theory that humans came to the New World via an ice-free corridor.

Tubular organisms that lived about 565 million years ago were found in positions that indicate they may have been the first animals to engage in sexual reproduction, researchers suggest.

In the small hilltop town of Torrita di Siena, they race a horse of a different color.

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 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.

A 31-mile-long (50-kilometer-long) layer of rock in northwest Scotland comes from a meteorite that crashed into Earth more than a billion years ago, experts say.

"It's ghostly. It's magic, " said an expert who heard the 1860 French recording of a human voice. The audio predates Edison's recording by 17 years.

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.

Learn about the origin of April Fools' Day—a yearly ritual for pranksters to try out their best jokes—and how reality-based humor may get the last laugh.

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

Egypt's City of the Dead is one of the country's largest cemeteries, dating back to the 14th century. As Cairo's population swells, the graveyard provides cheap and even free housing.

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.

A U.S. company unveiled its two-seat ship for space tourists, Lynx, on Wednesday. It plans to begin test flights in 2010.

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

Manga, the Japanese style of comic books, has been used to create a new interpretation of the Bible.