Paleo Profile: Crompton's Aleodon
This weasel-like protomammal turned up in an unexpected place.
Stories by Brian Switek
The Making of an Allosaurus Graveyard
A new analysis sets the scene for how over 46 Allosaurus came to be buried in the same place
When Horned Dinosaurs Traveled East
An unexpected tooth changes the story of one of the most famous dinosaur groups
New Fossil Fills In Missing Moment in Baleen Whale History
A new toothed whale highlights an important time in the evolution of today's ocean giants
In Ancient Bones, an Elephant-Size Surprise
Ancient DNA reshuffles the pachyderm family tree
Paleo Profile: The Dalian Lizard
This new, tiny dinosaur underscores questions about how its family came to be so diverse in ancient China
Paleo Profile: The Liaoning Hunter
The rock of China yields another beautiful dinosaur skeleton.
Walking with Australovenator
Paleontologists re-create the footsteps of a fearsome Cretaceous carnivore
What a Drag
A rare fossil records a quiet moment of Jurassic time
Secret Air Sacs Made This Dinosaur Extra Light
A new find has paleontologists considering how the biggest dinosaurs coped with living large
Shaking the Dinosaur Family Tree
A major reshuffling of dinosaur relationships may be afoot
Paleo Profile: The Jianianhua Dragon
This new dinosaur bears a striking resemblance to the earliest birds.
Canada's Unexpected Ostrich Mimic
An overlooked fossil offers paleontologists a biogeographical surprise
The Triassic's Mystery Creature
A tooth from Petrified Forest represents an unknown species that has baffled paleontologists for decades
Paleo Profile: The "Need Helmet" Dinosaur
An exceptional skeleton reveals a new dinosaur species.
Baby Louie Gets a New Name
A famous fossil embryo turns out to be a new species of dinosaur
Paleo Profile: The Wyvern Dinosaur
This huge herbivore is the earliest brachiosaur yet found
Hyenas and Hammerstones
Telling the difference between human- and hyena-made damage is surprisingly difficult
The Mammoth March
Paleontologists are on the fossil trail of how elephants walked out of Africa.
Paleo Profile: The Shuangbai Lizard
A fossil skull from China reveals the look of a crested carnivore
