Dinosaurs

This fossil is the oldest known preserved dinosaur cloacal vent.

3-D Reconstruction of Fossil Reveals Secret Sex Life of Dinosaurs

The newly discovered orifice is the oldest known fossilized cloacal vent in existence

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

An artist's rendering of Ubirajara jubatus, a newly described dinosaur species featuring two sets of rods sticking out of its shoulders and a mane of fluffy proto-feathers.

With a Mane and Strange Shoulder Rods, This New Dinosaur Was Quite a 'Little Show-Off'

The chicken-sized carnivore was found in Brazil and researchers say it may have been quite colorful

An artist's illustration of a newly described species of ichthyosaur called Thalassodraco etchesi swimming in the Late Jurassic seas off the coast of England.

Amateur Fossil Hunter Discovers New 'Sea Dragon' Species on British Beach

Researchers think the new species may have been a deep diving specialist, due to its cavernous ribcage and enlarged eyes

The pterosaurs were flying reptiles that lived in the age of the dinosaurs. This is an artist's illustration of a member of the genus Pteranodon, which included some of the largest known flying reptiles. .

Study Reveals Humble Origins of Flying Pterosaurs

Tiny, flightless reptiles called lagerpetids may have given rise to the largest flying animal ever to have lived on Earth

Lost Animals: Extinct, Endangered and Rediscovered Species by John Whitfield is just out from Smithsonian Books.

Ten Exquisite Creatures That Once Roamed the Earth

From Smithsonian Books, comes a magnificent tome to highlight evolution's greatest hits

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

Fourteen years ago, a team of commercial fossil hunters discovered a dinosaur pelvis jutting out of a hillside on a private farm in Montana, and their discovery revealed an intertwined T. rex and Triceratops.

The Mystery of the 'Dueling Dinosaurs' May Finally Be Solved Now That They've Found a Home

The duo is headed to the North Carolina Museum of Natural Sciences, where researchers will soon determine whether the fossils were even sparring at all

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

Buriolestes schultzi was about the size of a fox and had a pea-sized brain.

Scientists Reconstructed a Dinosaur’s Pea-Sized Brain

The brain is larger relative to the dinosaur’s body size than brontosaurus’ tennis ball-sized brain

A Tyrannosaurus rex posed with a Triceratops at the Smithsonian's National Museum of Natural History.

Hypersensitive Profanity Filter Censors 'Bone' at Paleontology Conference

Moved online due to the pandemic, an automated content filter banned terms including "sexual," "pubic" and "stream"

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 fossilized feather first unearthed in 1861 in Germany. New research suggests the feather came from the bird-like dinosaur Archaeopteryx.

New Study Reignites Debate Over Which Species Shed the First Fossil Feather Ever Found

Initially discovered in the 1800s, researchers argue that the 150-million-year-old plume came from the fluttering dinosaur Archaeopteryx

Artist's interpretation of a toothy Spinosaurus.

Fossil Teeth Bolster Notion That Spinosaurus Was a ‘River Monster’

A selection of some 1,200 teeth found in ancient riverbeds was dominated by Spinosaurus, suggesting they made their home in the water

One of two perfectly preserved fossil skeletons of the newly discovered burrowing dinosaur Changmiania liaoningensis and an artist's rendering of the species.

New Species of Burrowing Dinosaur May Have Died During 'Cretaceous Pompeii'

Perhaps killed by a volcanic eruption while resting at the bottom of its burrow, the four-foot-long digging dino’s remains were immaculately preserved

Stan, a 67-million-year-old Tyrannosaurus rex skeleton, will go on the auction block at Christie's on Oct. 6.

You Can Buy This T. Rex Skeleton—for a Hefty Price

Paleontology enthusiasts with an extra $8 million lying around can bid on Stan, a 67-million-year-old Tyrannosaurus rex

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

How would you calculate the weight of a T. Rex based only on its bones? There's at least two ways to find the answer, experts found.

How to Weigh a Dinosaur

A new study reveals the proper technique to weigh these extinct creatures

This embryonic sauropod perished after about four-fifths of its development in an egg.

Why This 'Unicorn Baby Dinosaur' Is the 'Cutest,' 'Weirdest' Ever

The tiny sauropod had a horn on its snout and forward-facing eyes, unlike its adult counterparts

Paleontologist David Schmidt (left) and a crew of student volunteers worked together to find and excavate a huge Triceratops skull in South Dakota.

College Students Unearth Massive Triceratops Skull

On an annual summer fossil collecting trip, the undergraduates struck it big in South Dakota

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