These gentle giants have poor eyesight and may not be able to see fishnets and boats with which they have fatal encounters.

Humpback whales are not always born in tropical waters, new research has shown -- challenging long-held assumptions about their breeding and migration behaviors, while raising new questions for marine ...

Scientists say they need to know where the sharks are mating and giving birth so they can protect those areas, possibly by creating marine reserves where threats like fishing are banned.