A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

The love songs of these Panamanian frogs is a dinner bell for fringe-lipped bats. But how do they learn which frogs and toads ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became Earth's dominant land ...

It took nearly 100 years for a duo of endangered Philadelphia Zoo tortoises to become parents and the "Golden" moment is now ...

Lake sturgeon spawning has been observed in Missouri for the fourth consecutive year, indicating successful wild reproduction ...

Four months into his new job, Kirk Smith is intent on showcasing Vallejo's attractions beyond the amusement park, including ...

One of the youngest, biggest residents at the St. Louis Zoo is preparing to make his public debut — but first, he has to ...

Pablo “Popi” García Borboroglu and Bertie Gregory have been named the 2025 Rolex National Geographic Explorers of the Year. Borboroglu has been an Explorer since receiving the National ...

One big cat in the U.S. stands out for its extraordinary jumping ability clearing over 20 feet in a single leap thanks to powerful hind legs flexible spines and perfect muscle coordination. This ...

Drew Forrest uses one of South Africa’s most important hominid discoveries to debate the paradoxes and contradictions ...

John Fabiano, a Buffalo, NY native, left the tech world and now travels the globe documenting dogs and their relationship ...