Sea lions and other ocean mammals in Southern California are falling victim to a poisoning event that a local expert calls ...

Domoic acid poisoning is stranding marine mammals as warnings are issued to beachgoers of the threat posed by animals that ...

Dozens of sea lions and dolphins are suffering from domoic acid poisoning, which can make them dangerously aggressive and ...

Researchers and community scientists have teamed up to map and protect these ephemeral wetlands that serve as hidden ...

Filter-feeding fish ingest a deadly algal neurotoxin called domoic acid and are then eaten by sea lions, seals and dolphins.

Australia and New Zealand are chock-full of day walks for all ages, with each of these worth throwing the boots and daypack on for.

My extended family has an abiding passion for St. John and Virgin Islands National Park.  Could my first trip possibly live ...

Confronting images of dead seadragons, fish and octopuses washed up on South Australian beaches—and disturbing reports of "more than 100" surfers and beachgoers suffering flu-like symptoms after ...

A riotous photography collection from a recent underwater mission off the coast of Chile shows new and fascinating deep-sea ...

A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when sealed off from the surface by a thick layer of ice.

The discovery is the first fossil of a freshwater smelt — a small, silvery fish — in the group Osmeriformes ... both in ...