Australian navy divers have suffered minor injuries from a sonar pulse by a Chinese navy vessel. Here’s what that means and how underwater sound can hurt divers.
A pod of dolphins surfacing next a boat in the Gulf of Mexico.
Erik S. Lesser/EPA
Belugas use sound to communicate, navigate the dark marine environment and find food. But climate change is opening up Arctic waters to more sound, and could affect the health and survival of belugas.
A female killer whale leaps from the water in Puget Sound near Seattle.
(AP Photo/Elaine Thompson)
Scientists had been uncertain about why killer whales are dying in the northeastern Pacific Ocean. A new study takes an in-depth look and provides the tools to help prevent additional deaths in the future.