With its ability to grow to as big as three feet across, armed with up to 24 limbs covered with tiny suction tubes, the sunflower star is a purple urchin-eating machine. But Bank said the sunflower ...

Beneath sea urchins’ exterior spines, rounded skeletons called tests are jewels of color, texture, and symmetry. There are hundreds of urchin species, and they’re found in every ocean on ...

(Read more about how kids can make a bigger eco-impact at school.) A southern sea otter mom floats with her pup. Photograph by Marc Moritsch / National Geographic Image Collection Why they matter ...

Overfishing is driving sea urchin populations through the roof in Hawaii, and that’s killing reefs. Photo: Unsplash ...

SUAMICO, Wis. (WBAY) - One of two otters that escaped their habitat at the NEW Zoo & Adventure Park in Suamico is probably never coming back, the NEW Zoo said in a statement Friday. Two otters ...

Massive sea urchin populations are destroying Hawaii's coral reefs faster than they can naturally rebuild themselves.

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Don’t worry if you missed celebrating World Otter Day, we’ve got you covered. B.C. is home to two species. Sea otters spend their lives in the ocean – they mate, sleep, groom, hunt, and give birth in ...

This story is part of our series, Wild Pennsylvania. Check out all of our stories here. North American river otters, known as cute and playful swimmers, once lived in every major river system in ...

All animals and plants are important to their environment, but are some more important than others? Every ecosystem consists of complex interactions between plants, animals, and abiotic (nonliving) ...