Mesozoic Era
(251 - 65 MYA)
Dinosaur Turnover
Canada's Dinosaur Park Formation is an exceptionally rich fossil boneyard, but what drove the evolution of the different dinosaurs found there?
August 03, 2012 |
By Brian Switek
Baby Dinosaur Mystery
The dinosaur paleontologists named Oviraptor, “egg thief,” ironically turned out to be a caring mother
July 20, 2012 |
By Brian Switek
Will We Ever Find All the Dinosaurs?
There are probably hundreds of dinosaurs that paleontologists have yet to discover, but will we ever find all the dinosaurs?
July 11, 2012 |
By Brian Switek
On the Trail of a Weird Dinosaur
A rare footprint places a strange group of dinosaurs in Cretaceous Alaska.
July 06, 2012 |
By Brian Switek
You Say Tyrannosaurus, I Say Tarbosaurus
Was the million-dollar dinosaur a species of Tyrannosaurus, or was it a different sort of dinosaur?
June 27, 2012 |
By Brian Switek
How Hadrosaurs Chewed
Edmontosaurus has often been called the "cow of the Cretaceous", but did this dinosaur chew like a mammal?
June 25, 2012 |
By Brian Switek
When Mammals Ate Dinosaurs
Our ancestors and cousins didn't all live in the shadows of the Mesozoic world—some were burly carnivores
June 20, 2012 |
By Brian Switek
The Fantastic Gliding Stegosaurus
Stegosaurus was as aerodynamic as a brick, but one writer thought the prickly dinosaur used its huge plates for gliding
May 30, 2012 |
By Brian Switek
Social Sauropods?
A bonebed in Argentina with three sauropods of different sizes adds new evidence that some of these dinosaurs were social creatures
May 25, 2012 |
By Brian Switek
New Dinosaur Signifies Dawn of Stubby-Armed Predators
A newly described abelisaurid pushes back the history of the blunt-skulled, stubby-armed predators
May 24, 2012 |
By Brian Switek
Utahceratops Debut
There was a full artistic reconstruction in the 2010 paper that described the dinosaur, but it's another thing altogether to see the dinosaur's reconstructed skeleton
May 21, 2012 |
By Brian Switek
Media Blows Hot Air About Dinosaur Flatulence
A new study claims dinosaur farts contributed to prehistoric climate change, but don't believe reports that they gassed themselves to death
May 09, 2012 |
By Brian Switek
Ankylosaur Reef
Even though dinosaurs never lived in the sea, a few unfortunate specimens created temporary reefs in ancient oceans
May 07, 2012 |
By Brian Switek
Fossil Testifies to Pachycephalosaur Pain
A damaged skull throws support to the idea that some dome-headed dinosaurs butted heads
May 03, 2012 |
By Brian Switek
New Wrinkle to the Story of the Last Dinosaurs
Were the last dinosaurs thriving or declining just before Tyrannosaurus and kin disappeared?
May 01, 2012 |
By Brian Switek
The Mysterious Teeth of Ostafrikasaurus
A pair of enigmatic teeth might hint that croc-snouted spinosaurs had a deeper history than we presently understand
April 30, 2012 |
By Brian Switek
Pachysuchus Actually a Hidden Dinosaur
A strange jaw fragment, once thought to belong to a crocodile-like predator, turned out to be a dinosaur
April 26, 2012 |
By Brian Switek
Tarbosaurus Leftovers Explain Dinosaur Mystery
Peculiar bite marks suggest why paleontologists have found so little of the enigmatic, long-armed dinosaur Deinocheirus
April 25, 2012 |
By Brian Switek
Ichthyovenator: The Sail-Backed Fish Hunter of Laos
The newfound spinosaur, apparently the first confirmed in Asia, had a wavy sail that dipped downwards at the hips, creating the appearance of two smaller sails
April 24, 2012 |
By Brian Switek
How Eggs Shaped Dinosaur Evolution
Eggs may have been the secret to dinosaur success, but did they also lead to the dinosaurs' doom?
April 18, 2012 |
By Brian Switek
