Dinosaurs
First Soft-Shelled Dinosaur Egg Fossils Found
Twin discoveries reveal that some ancient reptiles laid soft-shelled eggs, challenging long-held assumptions in paleontology
Exquisitely Preserved 'Mona Lisa' of Dinosaur Fossils Reveals Prehistoric Creature's Last Meal
Fossil plant matter found in the gut of the exquisitely preserved herbivore reveals its diet and even the season of its death
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
Rare 'Light-Footed' Dinosaur Discovered in Australia for the First Time
A single vertebra spotted by a dig volunteer was identified as a strange, slender-necked dinosaur called an elaphrosaur
Groundbreaking Fossil Suggests Spinosaurus Is First Known Swimming Dinosaur
Its paddle-like tail, unearthed in Morocco, suggests the Cretaceous carnivore ventured into the water to hunt
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
Like Dolphins and Whales, Ancient Crocodiles Evolved to Spend Their Time at Sea
Researchers tracked changes in the crocodilian creatures’ inner ears to learn how they moved into the sea
Fifty Things We’ve Learned About the Earth Since the First Earth Day
On April 22, 1970, Americans pledged environmental action for the planet. Here’s what scientists and we, the global community, have done since
Digital Reconstructions Reveal 200-Million-Year-Old Dinosaur Embryo’s Unusual Teeth
New scans suggest unhatched dinosaurs reabsorbed a set of teeth during development
Four New Species of Prehistoric Flying Reptiles Unearthed in Morocco
These flying reptiles patrolled the African skies some 100 million years ago
Why It’s So Difficult to Find Earth’s Earliest Life
Debate over Earth’s oldest fossils fuels the search for our deepest origins
New Feathered Carnivorous Dinosaur Found in New Mexico
Dineobellator was a formidable predator and boasts the battle scars to prove it.
At 67 Million Years Old, Oldest Modern Bird Ever Found Is Natural 'Turducken'
Remarkable fossil hints at the traits birds evolved just before an asteroid wiped their nonavian dinosaur kin
Newly Discovered Tyrannosaur Was Key to the Rise of Giant Meat-Eaters
A partial skull found in Alberta helps put a timer on when the 'tyrant lizards' got big
Newly Described Meat-Eating Dinosaur Dominated During the Jurassic Period
The new species is the oldest Allosaurus described yet and was a top predator of its time
Teenage T. Rex Fossils Reveal Haphazard Growth Spurts
A new study reaffirms that two debated dinosaur fossils named Jane and Petey weren’t a separate species
The Top Ten Scientific Discoveries of the Decade
Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease
Lizard-Like Fossil May Represent 306-Million-Year-Old Evidence of Animal Parenting
Shortly after transitioning from sea to land, our egg-laying ancestors may have started parenting their young
Lice-Filled Dinosaur Feathers Found Trapped in 100-Million-Year-Old Amber
Prehistoric insects that resemble modern lice infested animals as early as the mid-Cretaceous, living and evolving along with dinosaurs and early birds
Ten Smithsonian Artifacts You Can 3-D Print
The list includes Neil Armstrong’s spacesuit, an Abraham Lincoln life mask and a coral skeleton
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