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Science / Dinosaurs

In a bloody brawl, Tyrannosaurus rex and Triceratops horridus battle to the finish in the much-loved new dinosaur hall at the National Museum of Natural History.

Smithsonian’s National Museum of Natural History Will Reopen in June

Discover tips for visiting the T-Rex, the Hope Diamond and more, when 10 Smithsonian museums reopen this summer

Edmontasaurus, a duckbilled creature weighing around 7,000 pounds that could walk on two or four legs, was an average-sized dinosaur.

An Ode to the World’s Most Average Dinosaurs

They lacked the gargantuan size and spikes of the species museums often celebrate, but these species are how paleontologists learn about the Mesozoic

A new study suggests the lush, hyper-diverse rainforests of South America were shaped by the asteroid impact that killed off the dinosaurs.

How the Dinosaur-Killing Asteroid Spurred the Evolution of the Modern Rainforest

New evidence from fossil plants shows today’s South American rainforests arose in the wake of Earth’s fifth mass extinction

This fossilized dinosaur head and vertebrae were discovered in 1883 but only recently gained its name, Smitanosaurus agilis.

Smithsonian Voices

Scientists Name Old Dinosaur for the Smithsonian

A new study has reclassified a fossil discovered in 1883 as a dicraeosaurid—a family of long-necked dinosaurs rarely found in North America

Published in Scientific Reports, the new study by astronomers Amir Siraj and Avi Loeb of the Harvard-Smithsonian Center for Astrophysics, propose that a series of break-ups and chance events sent the huge chunk of space rock our way.

Astrophysicists Chart Source of Asteroid That Killed Dinosaurs

A new model explains a possible route for the extraterrestrial rock before it blasted Earth

Centrosaurus had the first well-documented case of malignant bone cancer in a non-avian dinosaur.

The Top Ten Dinosaur Discoveries of 2020

Paleontologists uncovered a great deal about the “terrible lizards” this year

Dinosaurs found in Alaska's Prince Creek formation likely remained in the region when it snowed during the winter.

How Dinosaurs Thrived in the Snow

Discoveries made in the past decades help show how many species coped with cold temperatures near both poles

Reconstruction of a titanosaur with ulcerations

First Evidence of Parasites in Dinosaur Bones Found

A team of paleontologists used CT scans and tissue samples to uncover blood pathogens in an infected titanosaur

The skeleton of a T. rex known as "Stan" is displayed in a gallery at Christie’s auction house in September in New York City.

A T. Rex Sold for $31.8 Million, and Paleontologists Are Worried

The auction of a famous specimen named “Stan” is likely to raise tensions between scientists, land owners and commercial fossil dealers

A great spotted woodpecker eats a hazelnut. Bird beaks may have allowed the animals to eat seeds and nuts after an asteroid hit the earth, wiping out many forms of life.

Why Birds Survived, and Dinosaurs Went Extinct, After an Asteroid Hit Earth

Paleontologists think that beaks may have given birds an advantage over other creatures

A Centrosaurus skeleton in the mass dearth assemblage at the Royal Tyrrell Museum

Dinosaurs Suffered From Cancer, Too

A bone containing signs of cancer is the first of its kind found in the fossil record

Baby sauropod on a nest, taken at the American Museum of Natural History's World's Largest Dinosaurs exhibit.

How Dinosaurs Raised Their Young

New research into eggshells and nesting sites help paleontologists unravel the family lives of the Mesozoic

Artist's impression of Utahraptor

The Continuously Evolving Picture of the World’s Largest Raptor

Utahraptor is an official state dinosaur and an NBA mascot’s inspiration. Understanding it has been anything but simple

Artist impression of Allosaurus

Carnivorous Dinosaurs Like Allosaurus Were Cannibals

Tooth-marked bones show that huge flesh-eaters had no qualms about chomping their own kind when times got tough

Herrerasaurus skeleton replica at a special exhibition of the Naturmuseum Senckenberg

The Rise of Meat-Eating Dinosaurs Is More Complicated Than We Thought

Paleontologists are searching for how carnivorous dinosaurs went from pipsqueaks to titans

Artist's impression of the Chicxulub impact.

After the Dinosaur-Killing Impact, Soot Played a Remarkable Role in Extinction

The famous impact 66 million years ago kicked up soot into the atmosphere that played an even bigger role in blocking sunlight than experts had realized

Reconstruction of Dineobellator notohesperus and other dinosaurs from the Ojo Alamo Formation at the end of the Cretaceous Period in New Mexico by Sergey Krasovskiy. This reconstruction shows three Dineobellator near a water source, with the ceratopsid Ojoceratops and sauropod Alamosaurus in the background.

New Feathered Carnivorous Dinosaur Found in New Mexico

Dineobellator was a formidable predator and boasts the battle scars to prove it.

Insect expert Dan Babbitt talks about the Chilean Rose Tarantula on “Smithsonian Science How,” a video series for students

Smithsonian Voices

Seven Ways to Learn About Natural History From Home

Deepen your understanding of the natural world with these free resources

Many artists work hard to bring dinosaurs to life with accurate details, but often products can be out dated or be careless with details like how Diplodocus held their necks.

A Shopper’s Guide to Dinosaur Gifts

Tips from experts at the National Museum of Natural History to help you buy scientifically accurate dinosaur gifts for your loved one

Using heavy picks, Smithsonian researchers in 1923 worked on excavations in Dinosaur National Monument on the border of Colorado and Utah.

How to Discover Dinosaurs

Smithsonian paleontologist Hans Sues reveals some of his tips for finding and excavating a Mesozoic monster

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