Strange Two-Legged “Crocodile Cousin” Shows How Weird Life Was Before Dinosaurs Ruled Earth
Long before dinosaurs became the dominant animals on Earth, the planet was filled with strange creatures that looked unlike anything alive today.
One newly described...
Why T. rex Ended Up With Tiny Arms
The Tyrannosaurus rex is famous for many things—its enormous size, terrifying bite, and surprisingly tiny arms.
For years, scientists have wondered why such a powerful...
Tiny mammals survived Arctic darkness alongside dinosaurs, scientists discover
More than 70 million years ago, the Arctic was not the frozen, empty place we know today. Instead, it was home to forests, dinosaurs,...
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,...