Mysterious apex predators are involved, and a newly published study by Florida Atlantic University is identifying the culprits. It’s bull sharks, lemon sharks and sandbar sharks, according to FAU’s ...

A stunning video from Chile shows a humpback whale briefly scooping a kayaker into its mouth before releasing him unharmed.

Each of them is a visible indicator ..." Expert raises alarm after once-in-a-lifetime event off the coast of Tasmania: ...

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Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

World Whale Day is a reminder of our responsibility to safeguard these magnificent creatures and their habitats for future ...

Under-sea mountains are key locations for predators -- with 41 times more sharks than the open ocean, new research shows.

A kayaker in Chile was caught on camera being briefly swallowed by a humpback whale before getting spit back out.

Just as the human body serves as a habitat for bacteria and other microbes, diverse, tiny organisms known as protists host ...

Human-made structures act as artificial reefs, luring plankton and, in turn, Earth’s largest fish. That could put whale sharks at risk of ship strikes.

Illinois Gov. JB Pritzker has halted a key project meant to defend the Great Lakes from invasive carp, citing federal funding uncertainty.

If the pinkish-red color appears somewhat intimidating, it's with good reason. Steichen warns this type of phytoplankton does ...