The curly-horned kouprey is not a hybrid of two related species of ox, possibly ending years of speculation about its status.

"Living fossil" plants known as cycads use sophisticated chemical tricks to ensure tiny insects carry pollen from male cones to female cones.

Ultralight video cameras fastened to crows' tail feathers have shown that the birds use a greater variety of tools and foraging techniques than had previously been thought.

Dozens gathered this week in Beijing to continue an ancient Chinese tradition of cricket breeding and fighting.

The facial cancer that is killing Tasmanian devils at an alarming rate is contagious and spreads when the animals bite each other, scientists have announced.

White-backed vultures—once plentiful in India and Pakistan—have become critically endangered. Now environmentalists are urging a ban on a common veterinary drug that may be poisoning the birds.

Computer images of jaw pressures show that the Ice Age predator could exert just a third of the bite strength of a modern-day lion.

See the tragic results of a freak accident on an Kenyan river, and learn more about the animals' epic annual migration.

In a bizarre mishap, 10,000 wildebeest have drowned while crossing Kenya's Mara River during an annual migration, wiping out one percent of the total species population.

Photo Gallery: Mass Wildebeest Drowning

Newly bred transparent frogs don't need to be dissected to see their internal organs and blood vessels.

Oktoberfest starts flowing, protesters march in Myanmar, Mars rover reaches a crater landmark, and more.

A sea lion pup that was seriously injured during last month's earthquake in Peru is released back into the ocean.

A striking seaweed, ribbon-like metal, and twisted geometry are just some of the winners of the 2007 International Science and Engineering Visualization Challenge.

Preserved tufts from mammoths that died between 50,000 and 12,000 years ago have allowed scientists to more efficiently create full genomes.

The animals may see the magnetic field as spots in their normal vision.