Human beings have existed for 300,000 years and have managed to live in many unstable environments. We’ve survived ice ages, devastating pandemics and world wars. But how would we fare even further ...

Dunkleosteus ruled a restless Devonian ocean, where armor met innovation. Here’s how modern science is rewriting the story of ...

Ottawa, August 5, 2020 - Zebrafish are a common aquarium species, of value to hobbyists and scientists alike. Researchers have now engineered an unusual change in them that has echoes of Jurassic Park ...

NOVA: What exactly is a tetrapod? Clack: A tetrapod is an animal with four legs—you, me—or an animal whose ancestors had four legs. So I can talk about a frog, which jumps; a bird, which flies; a ...

A rare fossil fish scan reveals brain features and adaptations tied to the transition from aquatic to land animals.

Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further ...

IOWA CITY — Some 375 million years ago, Iowa was under water. The temperatures were hot, and brightly colored corals and huge fish moved through the shallow sea. Visitors can see a glimpse of this ...

When we think of the fish that inhabit the deep blue sea today, it’s easy to forget that they haven’t always been there. The ocean was once a much quieter place, populated mainly by smaller creatures, ...

A long, long time ago — between 378 million and 375 million years ago — about half of all species on the planet vanished. The trigger for this mass extinction, one of five known in Earth's history, ...

Klipbokberg, Grootrivierhoogte, in the Cederberg. These mountains contain clues about ancient landscapes. Cameron Penn-Clarke The Earth was a very different place 400 million years ago, during what’s ...

It's a classic chicken-and-egg conundrum: Did the distant ancestors of land animals come ashore and then evolve legs, or did they evolve legs and then come ashore? This is a daunting question ...