Fossils

A red-eyed treefrog hangs on to a leaf in Costa Rica.

Why Frogs Survived the Asteroid That Wiped Out the Dinosaurs

Not too big, not too small—they were just the right size to live through Earth’s worst day

Visitors look at Shen, displayed at the Victoria Theatre and Concert Hall in Singapore earlier this year.

Christie's Calls Off T. Rex Auction Expected to Fetch $25 Million

The auction house cited a need for "further study" after experts noted similarities to another T. rex skeleton

Barges stranded by low water in the Mississippi River in Rosedale, Mississippi, a small town near where the lion fossil was found

Drought Reveals Rare American Lion Fossil in Dried-Up Mississippi River

Low water levels have also stranded barge traffic and threatened drinking water

An illustrated reconstruction of Leviathanochelys aenigmatica.

Scientists Unearth a Prehistoric Marine Turtle the Size of a Car

Fragments of the creature's pelvis and shell were discovered in the Pyrenees

Scientists have discovered the first living C. cooki specimen.

Researchers Find Living Clam Thought to Have Gone Extinct Thousands of Years Ago

While looking for sea slugs in California, a marine ecologist came across the tiny, ten-millimeter mollusks

Paleontologists discovered the skull in the Hell Creek Formation of South Dakota.

T. Rex Skull Named Maximus Could Sell for $20 Million

The bones belonged to a dinosaur that lived some 76 million years ago

Yale cast (top) and Berlin cast (bottom)

Scientists Find Plaster Copies of Fossil Destroyed by Nazis

Two casts of the first complete ichthyosaur skeleton ever unearthed were hidden in museum collections in Berlin and Connecticut

An artistic rendering of a multituberculate mother with her litter of offspring.

Just Like Us, Jurassic Mammals Cared for Their Young

Clues from bones reveal multituberculates looked after their offspring for lengthy periods during the Age of Dinosaurs

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

Researchers believe woolly mammoths walked into North America 100,000 years ago.

Alaska

Alaska Couple Finds Massive Mammoth Bone After Storm

Typhoon Merbok’s flooding and winds revealed the complete femur, lying in the mud

The skeleton of a 70-million-year-old hadrosaurus dinosaur, the same genus as the dinosaur specimen in the new study, at the Royal Ontario Museum in Toronto, Canada. 

Rare ‘Mummified Dinosaur’ Formed in an Unexpected Way

The prehistoric reptile's skin may have been preserved by scavengers, research suggests

An artist’s reconstruction of Scleromochlus taylori, an ancestor of pterosaurs

The Ancestors of Flying Pterosaurs Were Sleek Reptiles That Ran on the Ground

High definition scans of a fossil reveal the form of an early pterosaur relative

An artist’s reconstruction of Qianodus duplicis, the earliest known fish that had a mouth with teeth

Haul of Fossil Fish Pushes Back the Origin of Teeth and Jaws

The unexpected finds illustrate life during a critical and little-understood time period

The Gogo fish fossil 

World's Oldest Vertebrate Fossil Heart Found in Australia

The 380-million-year-old heart came from a prehistoric fish that is our earliest jawed ancestor

The newly discovered Opisthiamimus gregori preys on a now-extinct water bug.

Scientists Discover Bug-Eating Reptile That Lived Among Dinosaurs

Delicate fossil reveals a cousin of the modern tuatara

Along the Vietnamese coast, temples constructed in reverence to whales and other marine mammals—such as this one in Phan Thiet—house valuable information on the country’s little-studied cetaceans.

Inside Vietnam's Whale Temples

Centuries-old whale worship shrines are shedding light on the diversity and distribution of marine mammals off the country's coast

A Haast's eagle hunts moa.

How a Giant Eagle Once Came to Dominate New Zealand

Before the formidable bird went extinct, scientists say it likely hunted the flightless moa

The uncovered skeleton shows where the lower left leg was amputated at the tibia and fibula.

Earliest Known Amputation Was Performed in Borneo 31,000 Years Ago

Prehistoric hunter gatherers carried out the surgery thousands of years before the previous recognized example

Paleontologists uncovered vertebrae and ribs from an enormous sauropod in Portugal.

Portuguese Man Accidentally Finds 82-Foot-Long Dinosaur in His Backyard

Scientists say this could be the largest specimen ever discovered in Europe

Sahelanthropus likely walked on the ground and used all its limbs to move around in trees.

Seven Million Years Ago, the Oldest Known Early Human Was Already Walking

Analysis of a femur fossil indicates that a key species could already move somewhat like us

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