What it would have been like to experience the dinosaur‑killing asteroid Armageddon

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from the carcass of a...

Shark embryos reveal ancient blueprint behind the faces of all jawed animals

Scientists studying shark embryos have uncovered evidence that the basic blueprint for building faces in jawed animals has remained largely unchanged for more than...

Scientists discover 75-million-year-old mammal that survived the dinosaur era

Scientists have discovered a new species of small mammal that lived at the same time as dinosaurs, offering fresh clues about how early mammals...

Meet the ancient “dawn crocodile” that lived 210 million years ago

About 210 million years ago, on a humid riverbank in what is now northern New Mexico, two small crocodile relatives stood side by side...

When giant beasts disappeared, nature changed forever—and we still see it today

Around 50,000 to 10,000 years ago, the Earth lost many of its largest animals. These were not just slightly bigger versions of today’s wildlife, but...

Paleontologists uncover a new Spinosaurus species by following a clue from a decades‑old book...

My fixation on a small, desolate locale in the heart of the Sahara Desert started with a single line buried in a 630-page tome...

Not quite like birds: How dinosaurs hatched their eggs less efficiently

How did dinosaurs hatch their eggs? Scientists have long debated whether bird-like dinosaurs used body heat like modern birds or relied more on environmental heat,...

Fossil bite marks reveal ancient predator hunts 280 million years ago

New research suggests that large land predators were already hunting big plant-eating animals more than 280 million years ago, much earlier than scientists once...

Ancient amber reveals how ants lived and interacted in the age of dinosaurs

Tiny insects trapped in fossilized tree resin are offering scientists a rare window into life on Earth millions of years ago. A new study of...

Scientists find one of the smallest dinosaurs ever found in South America

Scientists have discovered a remarkably complete fossil of a tiny dinosaur that is helping to solve a long-standing puzzle about a strange group of...