Tiny sharks have long been blamed for the eerily perfect circles carved into the skin of whales, dolphins and even submarines ...

For years, a strange, repetitive clicking sound pulsed through the deep Pacific. It was heard again and again on hydrophones ...

When scientists finally measured the most powerful bite ever recorded, the winner wasn’t T. rex. It was something far older, ...

People at the beach went to the woman’s rescue and helped her ashore, the authorities said, but she died at a hospital.

The Marine Mammal Center is monitoring an injured California sea lion spotted near Pier 39 in San Francisco on Tuesday.

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...