Dinosaurs

Dinosaurs of all shapes and sizes sported feathers.

Dinosaurs Evolved Feathers for Far More Than Flight

Fluff and fuzz helped the creatures keep warm, blend in and communicate

A reconstruction of Lokiceratops in the 78-million-year-old swamps of northern Montana—as two Probrachylophosaurus move past in the background.

Why Did Dinosaurs Have Horns? It May Not Have Been Simply for Defense

Triceratops and its relatives may have evolved the structures for fighting, impressing mates, and more

Paleontologists are still investigating what the carnivorous dinosaur Megalosaurus looked like.

Paleontologists Are Still Unraveling the Mystery of the First Dinosaur

Two hundred years after it was first named, scientists are just beginning to reveal the secrets of Megalosaurus

Paleontologists have recognized three related, parrot-like dinosaurs in the Hell Creek Formation. Eoneophron infernalis (top left) walks by MOR 752 (bottom left) and Anzu wyliei (right).

Newly Discovered, Parrot-Like Dinosaur Roamed North America Alongside T. Rex

While larger dinosaurs are comparatively well-known, finding smaller species paints a more complete picture of life before the mass extinction

Ten big dinosaur discoveries stood out in 2023.

The Top Ten Dinosaur Discoveries of 2023

From uncovering a tyrannosaur’s last meal to unlocking the secrets of a dino with a really long neck, these were the year’s biggest stories

A Gorgosaurus consumes its prey.

Amazing Fossil Preserves Teenage Tyrannosaur’s Last Meal

Stomach contents from a juvenile Gorgosaurus reveal it feasted on small, bird-like species 75 million years ago

An artist’s illustration of Quetzalcoatlus flying

How Pterosaurs Might Inform the Next Generation of Flight

After paleontologists cracked the secrets of the ancient flying reptiles, researchers are thinking about how to harness their methods

In the past decade, paleontologists have named several new dinosaur species and found that some previously discovered species belonged to their own groups.

How Many Dinosaurs Remain Undiscovered?

Paleontologists say more non-avian dinos are waiting to be uncovered than have previously been found

Iani smithi

New Beaked Dinosaur Species Found in Utah

The creature, dubbed Iani smithi, was identified from a 99-million-year-old fossil

Many of the reptiles that thrived during the Triassic were crocodile relatives that dinosaurs would later mimic through evolutionary happenstance, such as Postosuchus (back) and Desmatosuchus (front).

Dinosaurs Were Evolutionary Copycats of These Long-Lost Look-Alikes

Before T. rex and ankylosaurus ruled the Earth, a host of similar Triassic reptiles reigned

Adam Driver stars in the new movie 65.

What Earth Would Have Really Looked Like in Adam Driver's '65'

If you were to travel back in time you’d find a mix of the familiar and strange on our planet

Tyrannosaur fossils show the animals squared off and bit each other in the face.

Busted and Broken Fossils Show How Dinosaurs Fought

From locking horns to biting each other in the face, this is how dinos of the same species battled

After the American Revolution, why did the colonies keep their British nobility namesakes?

Why Did the American Colonies Keep Their British Names After the Revolution?

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The Ten Most Significant Science Stories of 2022

From Omicron’s spread to a revelation made using ancient DNA, these were the biggest moments of the past year

The year was filled with major discoveries about a number of species.

The Top Ten Dinosaur Discoveries of 2022

From scientists uncovering the first dinosaur built to swim to finding a new species that looked a lot like T. rex, these were the year's biggest stories

Natovenator likely swam to catch small prey.

World’s First Swimming Dinosaur Discovered in Mongolia

Natovenator was a streamlined hunter with jaws full of tiny teeth

Deinocheirus walks across a landscape dotted with ponds. Fossils found recently in eastern North America provide evidence that similar dinosaurs lived on our continent.

Giant Ostrich-Like Dinosaurs Once Roamed North America

Rare finds in Mississippi paint a picture of these creatures’ lost world

Meraxes had a large skull and short arms, in the same proportions as Tarbosaurus, a relative of T. rex.

Paleontologists Uncover New Dinosaur With Tiny Arms Like T. Rex

The predator is among the most complete of its kind ever found

An 1897 painting by Charles R. Knight depicting two dinosaurs called “Laelaps” in an energetic fight, suggesting they may have been warm-blooded.

Paleontologists Are Still Puzzling Over Why Dinosaurs Ran Hot

New evidence reveals details about the physiology of animals that have been extinct for over 66 million years

Paleontologists are just beginning to uncover the evolutionary backstory of armored dinosaurs like the ankylosaur Euoplocephalus.

New Fossil Finds Track When Armored Dinosaurs Spread Around the World

Discoveries in Asia and Africa are rewriting the backstory of dinosaurs like <em>Stegosaurus</em>

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