In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

An unusually high number of disoriented marine mammals, sickened by a toxic algae bloom, is being found along Southern California’s coast, prompting concerns 2025 could be the deadliest year yet.

Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...