Spectacular displays of Christmas lights draw thousands of spectators in Sydney, Australia.

Some of the inhabitants of the Sydney Zoo were as eager to unwrap their presents as their human counterparts.

A simple sandwich bag can bring new hope to the parents of premature babies.

New insights into the animals intimate encounters include species that cut holes into their partners for sex, squid that swap genders, and males that deploy flesh-burrowing sperm.

Miniature statues of President-elect Barack Obama and his wife, Michelle, have gone on sale in Naples for use in Christmas nativity scenes.

A zoo orangutan that learned to whistle could offer clues about the origins of human speech.

Bizarre prehistoric creatures--sea monsters, gargantuan rodents, a redheaded Neanderthal--are among the stars of the most read stories on dinosaurs and fossils by National Geographic News in 2008.

Researchers in Austria say they've found that dogs react negatively to perceived unfair treatment.

See National Geographic News's most popular individual photos of 2008, including pictures of a giant stingray, a "smiling" sky, a lizard-snake standoff, and more.

Recently found fossils reveal that an ancient amphibian swung its head and upper jaw upwards to eat in an action much like raising a toilet seat.

Scientists in Australia are trying to learn more about koalas' breeding habits by listening to the animals' bellows.

An "unexpected," 20-foot-long new dinosaur has been discovered in South America, rewriting the evolutionary history of raptors, a new study says.

A seemingly yuletide celestial display, a planetary first, and a Saturn moon's "tiger stripes," are among the week's best space images.

A local government in Peru is promoting roasted guinea pig for Christmas dinner instead of the traditional turkey or pork.

A pink, cyanide-squirting millipede and probably the world's biggest spider are among 1,068 new species discovered in a single Asian region in the last ten years.