Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A “leaf”-like sea creature caught their attention — and for good reason. It ...

A Spurilla neapolitana, also known as the hair curler slug, has been found farther north than is typical of its species. The sea slug was spotted off the coast of Cornwall, England, in September.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Oceanographers scouring the waters off of Western Australia have ...

“The festival of eariwigs dispersed as I dragged / the blue tarp off the logs left to season now / for going on a couple of years it must be.” C’mon, I’m a dog. We sense these things. It’s a tumor. I ...

A recent Schmidt Ocean Institute expedition off the coast of Uruguay discovered at least 30 suspected new species and explored a sunken warship. By Popular Science Team Published Oct 4, 2025 10:00 AM ...

When sea slugs are starving, they break down the chloroplasts they’ve stored, potentially using them as a fuel reserve. This typically causes them to turn from green to brown. “Part of how the slugs ...