The oceans are vast and mysterious, covering 71% of our planet and containing all kinds of things that we have yet to discover, despite our best efforts to explore the deepest depths. Because not many ...

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

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

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, ...

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 ...

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 ...

Scientists are tracking unseasonably large sargassum mats in the Atlantic. Where it will land, if at all, depends on winds and currents.

Tiny blue 'sail' jellies have beached along Oregon shores. Scientists link the runs to winds and warmer winters.