First Earth-Size Planets Found in Space
Scientists using NASA's Kepler space telescope say they have found two planets orbiting a distant star -- and say the planets are the first ever that are the size of Earth or smaller. That could be critical in the search for extraterrestrial life.

Bears at Play, Key for Survival
Hungry wild polar bear prefers playing with a chained sled dog to eating it. It sounds like a paradox. How could play — defined as “apparently purposeless activity that’s fun to do and pleasurable� — be vital for grim survival in such an often random...

Photos: A Rabbit Gets Acupuncture
A two-faced cat, an elephant who need an eye doctor, a Malayian sun bear with a ten-inch tongue, and other strange cases from the animal kingdom.

Watch: TechBytes (02.07.12)
Amazon may open a store in Seattle as a prelude to becoming a chain.

Watch: Solar Storm's Northern Lights Show
Largest solar storm in nine years gives stargazers a treat in the skies.

Watch: Steve Jobs Action Figure Unveiled
Unauthorized Apple co-founder doll goes on sale in February.