The sea otter pup was tiny, probably less than 2 weeks old, alone in Morro Bay on an October morning earlier this year. A ...

From transparent frogs and egg-laying mammals to deep-sea oddities, here’s a look at animals with unusual features that are ...

It is a case of wolves in fishermen’s clothing as several of them have been spotted pulling crab traps from waters off Canada’s west coast in what scientists say may be the first documented case of ...

A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, Moema claudiae, has not been recorded in the wild for more than 20 years and its ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep. A protective mucous cocoon surrounds this parrotfish as it sleeps in ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Against the blackness of water at night, the pomfret looked like it had blown a big bubble from gum. Instead, the fish had the larva of an anemone sticking out of its mouth. Researchers say this ...

As one of the world’s most diverse vertebrates, fish can come in a variety of shapes, colors, and sizes. With over 33,000 species inhabiting the Earth’s aquatic habitats, some are bound to be a bit on ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Travel involves two main expenditures of energy: fighting gravity and propelling ...

The seafood chain, known for its fried fish platters, is highlighting a different menu item with its new logo Sabrina Weiss is the Editorial Assistant of PEOPLE's food department. She writes the ...