Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.

We've mapped the continents, we’ve got satellites, drones, DNA sequencing, research vessels, and entire teams whose job is ...

Discover some of the more unusual collective nouns for different groups of animals, from ‘a bloat of hippopotamuses’ to ‘a ...

Arc Thrift Stores at 1405 Cortez Street in Denver is exactly that kind of surprise, hiding in plain sight and waiting to blow ...

Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus is actually a nautilus relative.

A fossil harvestman identified using advanced imaging techniques shows that extinct arachnid lineages once lived in Europe.

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

Mark Moffett, a research associate at the National Museum of Natural History, specializes in capturing the often-overlooked ...

Animal life began in aquatic environments more than 600 million years ago. Around 500 million years ago, during the Cambrian ...