Animals

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work.

The 2026 Olympics and Paralympics mascots are Milo and Tina, a pair of teenage, scarf-clad stoat siblings with big dreams. If you're wondering what a stoat is, you're in the right place.

Some dogs have an amazing ability to learn the names of dozens, even hundreds of toys. Now, a new study suggests these super learners can pick up new words by overhearing people talk, just as toddlers can.

Young, infected Lasius neglectus ants will send out an altruistic "kill me" signal to worker ants, a new study finds, as part of a strategy to keep deadly pathogens from spreading through the colony.

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Blue spotted salamanders have been seen walking across snow and new research suggests how they get by in the cold.

The Oreo-sized baby turtle represents a turning point in Rockalina's recovery: Spending time with her own kind.

Historically, Black bears were the biggest predator to travel the Big Bend area of Texas. But overhunting and habitat loss led to their decline.

A 23-million-year-old rhinoceros fossil is reshaping scientists' understanding of mammal evolution.

A group in Western Washington state has developed a novel gauge for their forest conservation work — thousands of audio recordings of native birds.