Even the most devoted cat lover must admit an uncomfortable truth about felines: They’re ecological hazards. Scientists blame cats for killing tens of billions of birds and small mammals each year, ...

Beware if you’re in the poop zone! Tourists at SeaWorld San Antonio didn’t expect the orca splash zone to feature a wave of killer whale fecal matter. Audience member Alex Bermudez, who captured the ...

A toxic parasite "very different from anything" experts have seen before has killed four California sea otters and they're concerned it could spread to other marine life and even humans. Melissa ...

Sea cucumbers (Holothuroidea) are strange, cylindrical marine invertebrates closely related to sea urchins and starfish. They have no eyes, resemble a colossal chubby worm, and use their anus for both ...

Four southern sea otters observed stranded off the coast of California near Santa Cruz and San Luis Obispo between February 2020 and March 2022 were diagnosed with fatal protozoal steatitis and ...

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Acorn worms live in burrows on the seafloor so you’re not likely to ever see one. But you may see their absolutely enormous piles of poop. Snorkelers and divers have noted them for years and Nat Geo ...

This story originally appeared in The Guardian and is part of the Climate Desk collaboration. Scientist Melissa Miller was seeing something in California sea otters that she had not seen before: an ...