An 18-year-old is taken to the hospital after a 4-foot-long shark bites him. The victim, who suffered minor cuts to his calf and shin, was part of a group of about 300 surfers in the water off Florida's east coast.

Sabi, a bomb-sniffing black Lab, vanished 14 months ago amid a fierce battle between Australian troops and militants in Afghanistan. But she's back with her unit now, thanks to a U.S. soldier who found her at an isolated patrol base. Officials didn't explain how exactly she was found, but she's said to be in good shape.

Charla Nash, the woman who was horribly mauled by a chimpanzee last winter, reveals her disfigured face on "The Oprah Winfrey Show." Warning: Video contains graphic images.
Sphere: Did Oprah Go Too Far?

A giraffe subspecies that was teetering on the edge of extinction in West Africa a decade ago is now coming back. After being hunted for years, new, stricter penalties on poachers allow the animals to thrive.

Twenty years of research convinced Pulitzer Prize-winning science journalist Jon Franklin that people wouldn't be where they are today if it weren't for our four-legged panting friends. Some doubt his conclusions, likening him to a dyslexic churchgoer. But others support his findings.