This week: Wolves cloned, mice given "human" vision, world's oldest perfume found, France releases UFO files, and more.

This week: Grand Canyon's new glass bridge; "tigers" as pets; air-powered cars; our scrappy, short-legged ancestors; and more.

This week: jumbo squid vs. giant whale, robot ethics, Richard Leakey on rare gorilla birth, discovery of longest underground river, and more.

This week: Ancient Mars sea evidence actually from springs, "Mafia birds" whack others' eggs, "Perfect Storm" author Sebastian Junger on war-zone reporting, and more.

This week: Jesus-tomb claim debunked, bees mysteriously disappear, making flatulence eco-friendly, and much more.

This week: Chimps seen hunting with "spears," shark smuggling pastor busted, some lizards smell tougher than others, and moon settlers may have to be expert skiers.

This week: monster glowing squid filmed, Franz Ferdinand singer on food and travel, moths pose as spiders, "doomsday" vault design unveiled, and more.

This week: "zoo" of microbes on your skin, global cooling killed reptiles, "movie star" antelope rebounds, dinosaur eggs found, aircraft-led migrating cranes killed, and more.

This week: exciting new revelations about Stonehenge, island "hobbits" confirmed as distinct species, wolves taken off the U.S. endangered species list, a snake that snacks on toad venom, and more.

This week: African rebels eat gorillas, spiders' glow seen as sexy, humans killed off Ice Age Aussie animals, "black" diamonds hail from space, and more.

This week: "weirdest" species get conservation attention, humans and Neandertals may have interbred, manatees "super" senses, new Jamestown findings, more.

This week: new stem cell source found, 2007 may be hottest year on record, Louisiana slipping into Gulf, fish smell their way home, new bat discovered, and more.

This week: giant ice shelf breaks free, monkeys sing when threatened, head-banging snakes predict quakes, Amazon may be gone in a hundred years, and more.

This week: polar bears considered for U.S. endangered list, two-headed fossil found in China, record number of captive panda births, giant squid caught alive in Japan, and more.

This week: 52 new species found in Borneo, rare river dolphin 'extinct," giant dinosaur discovered, lizard has "virgin birth," "Apocalypto" tortures Maya history, and more.