From African cichlids to Oscars and mollies, the diversity was surprising. This piece focuses on how one runoff point turned into a collection of aquarium species in the wild.

You've heard of the battle of the sexes—but these 7 animal species take it pretty seriously. Join Michael Aranda for a new ...

The animals went in two by two... or over a thousand ...

Invasive apple snails continue to spread in San Antonio’s River Walk. Officials are testing new barrier systems to curb reproduction.

A new species of amphibian that lived 150 million years ago has been discovered in Portugal. The tiny animal was one of the ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

If not for a pair of Smithsonian scientists, the fingernail-size frog from Brazil would have likely gone extinct without ever being described ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

Even as some scientists search for signs of life beyond Earth, other researchers have been discovering new species on our own humble planet faster than ever before. From high up in the mountains to ...

The AMNH identifies 70 new species in 2025 after reviewing decades of collections, while their habitats disappear without having been studied ...

Many spine-bearing creatures, or vertebrates, have a curious bit of tissue deep in their brains called the pineal gland. It ...