A new way to measure the age of dolphins opens a window onto the lives of these iconic animals

New research has developed the first molecular ‘clock’ for common dolphins. It could be a game-changer for conservation.

I'm a 74-year-old doctor who studies aging: My 8 daily habits for staying happy, healthy and sharp

Dr. Rosanne Leipzig has been treating older adults for 40 years. She shares her best advice for how to have an "enjoyable, ...