Dinosaur teeth reveal secrets of Earth’s ancient greenhouse climate
Scientists have discovered that dinosaur teeth hold an extraordinary record of Earth’s climate during the Mesozoic Era, between 252 and 66 million years ago.
By...
Fossil misjudged for 150 years is actually a game-changing find
For over a century, a tiny fossil at Harvard’s Museum of Comparative Zoology was wrongly believed to be a caterpillar—or maybe a worm, or...
Ancient dinosaur footprints reveal surprising herding behavior
New dinosaur footprints found in Canada suggest that different species of dinosaurs may have traveled together in herds—similar to how zebras and wildebeest move...
Scientists uncover Jurassic dinosaurs’ favorite foods
New research has uncovered surprising details about what dinosaurs ate by analyzing the chemistry hidden in their fossilized teeth.
Scientists have discovered that plant-eating dinosaurs...
Why so many mammals became ant-eaters after the dinosaurs disappeared
A new study has found that mammals have evolved to eat ants and termites at least 12 different times since dinosaurs went extinct.
After the...
A 225-million-year-old leg bone just rewrote dinosaur history
A fossilized leg bone found in Africa is reshaping our ideas about the size of the first dinosaurs.
The 225-million-year-old bone belonged to a mysterious...
Ancient lungfish jaws reveal the eating habits of Earth’s first land animals
Long before dinosaurs roamed the Earth, the oceans were teeming with strange and powerful creatures.
Among them were lungfish—an ancient group of lobe-finned fish that...
Dinosaur wrist discovery reveals new clue to how flight evolved
Scientists have uncovered a surprising piece of the puzzle in the evolution of flight: a tiny wrist bone in certain dinosaurs that may have...
Scientists discover seagull-sized pterosaur in Arizona desert
A team of researchers led by the Smithsonian has discovered the oldest known pterosaur fossil in North America.
Pterosaurs were flying reptiles that lived alongside...
What killed the dinosaurs’ predecessors may still threaten us today
New fossil evidence has revealed that the collapse of tropical forests during the Earth’s most devastating extinction event triggered a long period of extreme...