Researchers warn the tiny sea slugs can deliver a painful sting.

The oceans are vast and mysterious, covering 71% of our planet and containing all kinds of things that we have yet to ...

Two rare ‘doomsday fish' appeared near a beach in Cabo San Lucas, drawing crowds and going viral online.

Two massive “doomsday fish” washed ashore on a Mexican beach – leaving tourists stunned in a rare sight that some believe signals an ominous warning for humanity, according to wild footage. The ...

Two deep-sea oarfish - nicknamed "doomsday fish" for their folkloric ties to earthquakes - washed up near the shoreline in Cabo San Lucas, Mexico, stunning beachgoers and sparking online fascination, ...

Warmer weather has melted our frozen waterways​, but that's giving rise to unusual hazards. The unusually cold winter​ uprooted docks, and sent debris into the bays and the Long Island Sound.

In 1999 hundreds of gray whales washed up along the west coast of North America. More in 2000. They lost an estimated 25% of their population. But then the whale population recovered and people moved ...