The roughly two- to four-pound predator lived alongside dinosaurs some 165 million years ago. A fossil found in northern ...

The Arctic whales are the only known animals with straight tusks, and ones that consistently twist to the left. New research ...

Add Yahoo as a preferred source to see more of our stories on Google. Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to ...

Add Yahoo as a preferred source to see more of our stories on Google. The natural world is filled with remarkable creatures, but some animals stand apart because of their unusual traits, rare ...

Strange wild animal behaviors that experts still can’t fully explain Thirty. That’s how many distinct mourning behaviors one ...

This aerial view shows the Amazon rainforest near the municipality of Paragominas, Para state, Brazil, on November 12, 2025 during the COP30 UN Climate Change Conference. MAURO PIMENTEL MAURO PIMENTEL ...

The arctic fox completely swaps its dark summer coat for a snow-white one when winter is coming. The kidney garden spider looks just like the Pringles man. And the world’s cutest sheep can be found in ...

Axolotls are adorable, but did you know they can actually regrow parts of their brain? And why does a tiny toad give birth in a manner that David Cronenberg would find inspirational? Evolution, of ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most people picture blood as red: bright and oxygen-rich ...