An iridescent blanket octopus shows off its rainbow-colored cape in a rare new video that will leave you awe-struck.

Even biologists only capture a glimpse of the lives of whales. There are still many species whose lives are largely a mystery ...

Birch Aquarium visitors can see the 11-foot oarfish that was found near Leucadia last November. The new limited-time, ...

While this most recent rare fish spotting might not be as rare as spotting a humpback anglerfish, it still has outdoor enthusiasts who were jazzed to spot a longnose lancetfish ( Alepisaurus ferox) on ...

An outbreak of domoic acid poisoning caused by an algae bloom in Southern California has sickened and killed dolphins, sea ...

New research reveals that young salmon explore multiple rivers before adulthood, challenging long-held beliefs about their ...