Human limb regeneration is likely far off in the future, but once scientists understand more about retinoic acid signaling, technology could help return this regenerative ability to human cells to ...

Grandfather dies saving twin granddaughters from falling tree limb A 78-year-old man died after pushing his twin 8-year-old granddaughters and his sister out of the way of a massive falling tree ...

A large oak tree limb fell on a group of kids attending summer camp in Southern California, fatally injuring one child, officials said. The incident occurred at King Gillette Ranch in Calabasas on ...

Old Orchard is a high-traffic neighborhood, and Wendy and her husband, Matt Yeager, say the limbs are a safety concern for families, children and pets that walk along the locust tree-lined streets.