Computer image of Triopticus skull overlaid on the field site where it was found.

Paleontologists Probe the Bonehead that Foreshadowed Domed Dinos

This striking skull shape evolved at least twice. But what was its purpose?

The mammoth skull being excavated on Santa Rosa Island

Cool Finds

Scientists Puzzle Over Unusual Mammoth Skull Unearthed in the Channel Islands

The well-preserved fossil doesn’t neatly fit in with other examples of the species

The tiny pterosaur from the late Cretaceous was no bigger than a cat and sported a five-foot wingspan.

Cool Finds

Two Pterosaur Finds Are Helping to Untangle Their Family Tree

An intact skull and a pint-sized species offer clues to how these creatures evolved

Including it's current dirt and plaster packing, the skull weighs roughly 2,500 pounds.

Cool Finds

Rare Complete T. Rex Skull Found in Montana

The “Tufts-Love skull” will be cleaned and put on display at the Burke Museum of Natural History and Culture

This toy diplodocus fetches up to $600 on eBay.

This Man Claims He Has the World’s Largest Collection of Toy Dinosaurs, and He Loves Them All

Randy Knol’s stunning array chronicles our evolving knowledge about the prehistoric beasts

The fossil Arktocara yakataga (resting on an 1875 ethnographic map of Alaska) belonged to a dolphin that swam in subarctic marine waters around 25 million years ago.

Smithsonian Researchers Uncover Extinct, Ancient River Dolphin Fossil Hiding in Their Own Collections

Sometimes, paleontologists don’t have to go into the field to discover a tantalizing new species

Paleontologist Paul Olsen of Lamont-Doherty Earth Observatory is co-leading a project in Arizona's Petrified Forest National Park to drill deep into rocks dating back more than 200 million years.

Journey to the Center of Earth

Defying Critics, Paleontologist Paul Olsen Looks for Hidden Answers Behind Mass Extinctions

From a childhood spent discovering fossils to tangling over questions of ancient life and death, this scientist constantly pushes the boundaries.

Illustration of a Velafrons, a hadrosaur whose name means "sailed forehead."

Chew on This: Powerful Jaws Fueled a Jurassic Herbivore Boom

Teeth, not flowers, might be the key to the duckbills’ success

Illustration of Gualicho shinyae hunting with its jaws, not arms.

Arm Day at the Gym Apparently Not a Thing for Newly Found, Tiny-Armed Dino

Turns out T. rex doesn’t have a copyright on those adorably awkward, itty-bitty arms

Portrait of paleontologist Mary Anning and her trusty assistant, Tray.

These Paleo Pets Made Fossil Hunting Less Lonely

In the solitary hunt for bones, furry companions provide company, act as field assistants and sometimes even make the ultimate sacrifice

99-million-year-old flight feathers.

New Research

99-Million-Year-Old Bird Wings Found Encased in Amber

The rare fossils from the age of the dinosaurs look a lot like modern-day bird wings

Sacel Castle was the primary home of the Nopcsa family, which traced its roots in the area to the 14th century.

History Forgot This Rogue Aristocrat Who Discovered Dinosaurs and Died Penniless

Now fallen into shadow, the Romania-born Baron Franz Nopcsa was a groundbreaking scientist, adventurer — and would-be king

Fossilized teeth from an ancient sperm whale

Cool Finds

Landfill Surprises Scientists With 12-Million-Year-Old Whale Fossils

The fossilized remains of a sperm whale were discovered in a newly cleared area of an Orange County landfill

Co-author in the new study, Nick Longrich from the Milner Centre for Evolution at Bath University, poses with some mammal specimens.

New Research

The Event that Wiped out Dinosaurs Also Nearly Did in the Mammals

New estimates suggest a measly seven percent of mammals survived the extinction

A reconstruction of Fruitachampsa, a Jurassic-era crocodile discovered in the Fruita Paleo Area and named in 2011. Small animals like Fruitachampsa help paleontologists reconstruct what life was really like in the Jurassic period.

In This Jurassic Boneyard, It’s Not Size That Counts

A rich cache of fossils in Colorado is valuable not for the big dino bones but the relatively tiny fossils that are still being dug up.

An artists' rendering of Machairoceratops cronusi, or "bent sword face." Machairoceratops was found in 77-million-year-old rock in southern Utah.

Two New Discoveries Add to a Horned Dino Revolution

Twenty years ago, there were about 23 horned dinosaurs. Today, the count has more than tripled

Chris Torres and Eric Gorscak take in the scenery at Cape Lamb—scenery that included lots of fossils.

Cool Finds

Fossil Hunters Uncover 71-Million-Year-Old Trove in Antarctica

After a plane flight, boat ride, helicopter lift and a lot of hiking, the scientists returned with a massive cache of fossils

Paleontologists Matt Lamanna and Ruben Martinez with the skull of Sarmientosaurus

New Research

Newly Discovered Dinosaur Species Had Great Eyesight and a Droopy Head

Sarmientosaurus weighed as much as two elephants but had a brain the size of a lime

New Research

21 Million Years Ago, Monkeys May Have Floated to North America on Rafts

Fossil teeth in Panama show monkeys made it to Central America, probably on floating mats of vegetation

The footprints of ankylosaurs and other 122-million-year-old dinosaurs are preserved outside Moab, Utah.

Paleontologists Unveil Dinosaur Stomping Ground in Utah

Visitors can view ghostly footprints that record prehistoric steps in pale blue stone

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