Making a Home in a Dinosaur Egg

There were five spherical eggs in the 70-something-million-year-old clutch. One egg was cracked in half and filled with cocoons
July 18, 2011 | By Brian Switek

A Truly Exceptional Allosaurus

Cope did not know it at the time, but he had described an especially large representative of a species his rival had named just a year before
July 14, 2011 | By Brian Switek

Dome-Headed Dinos Well-Suited to Butting Heads

The researchers compared the skulls of Stegoceras and Prenocephale with head-butting mammals including elk, duiker and musk ox
July 12, 2011 | By Brian Switek

Dryptosaurus’ Surprising Hands

This enigmatic tyrannosauroid may have had the novel combination of short arms with big hands
July 11, 2011 | By Brian Switek

Kentrosaurus Had a Formidable Swing

In one of my favorite bits of fossil terminology, the spiked tails of stegosaurs are known as "thagomizers." Get hit with a tail like that and you'd be turned into an instant shish kebab
July 08, 2011 | By Brian Switek

Peloroplites: That’s One Big Ankylosaur

The "monstrous heavy one" was stout, armored and may have supported huge spikes on its neck and shoulders
June 17, 2011 | By Brian Switek

Triceratops: An A+ Dinosaur

Paleontologists have recently learned how these three-horned dinosaurs fought, grew up and socialized
June 09, 2011 | By Brian Switek

Was Spinosaurus a Bison-Backed Dinosaur?

Spinosaurus and Ouranosaurus were fundamentally different, and they remain among the most bizarre dinosaurs yet discovered
June 06, 2011 | By Brian Switek

Dinosaur Diamond: Moab’s Potash Road

The area is piled high with sedimentary rock from the heyday of the dinosaurs. At a few spots, it's easy to see the animals' tracks
June 01, 2011 | By Brian Switek

Slurp! The Marine Reptile Shastasaurus Was a Suction Feeder

Thanks to new specimens found in China, paleontologists have discovered that Shastasaurus ate very much like a beaked whale does today
May 25, 2011 | By Brian Switek

One Dinosaur Too Many?

Are there too many dinosaurs? Paleontologist Jack Horner thinks so, and he explained his reasoning in a short TED talk last month
May 24, 2011 | By Brian Switek

Dinosaur Skin Scraps Are a Jurassic Mystery

Though not nearly as common as the bone fragments and bits of tooth found at dinosaur fossil sites, remnants and impressions of dinosaur skin are not as rare as you might think
May 20, 2011 | By Brian Switek

Tarbosaurus Gangs: What Do We Know?

The proposal of pack-hunting dinosaurs is old news in paleontological circles, and the hard evidence to support the claims about Tarbosaurus has not yet been released
May 19, 2011 | By Brian Switek

Tiny Tarbosaurus Shows How Tyrants Grew Up

The new Tarbosaurus juvenile is a truly remarkable specimen
May 16, 2011 | By Brian Switek

How Tyrannosaurus Lost a Finger

Everybody knows that Tyrannosaurus had small arms tipped in only two fingers. The relatively small arms of the Late Cretaceous predator are part of its charm. When paleontologist Henry Fairfield Osborn described Tyrannosaurus in 1905, however, the fingers and forearm of the dinosaur were missing. E...
May 03, 2011 | By Brian Switek

Blog Carnival #31: Ancient Earth, World's Oldest ToothAche, Pot-Bellied Dinos and More

Thirty Earths: ArtEvolved points us to this remarkable set of images depicting the changing physical appearance of the Earth over the last 750 million years. The thirty visual reconstructions were recently released by the Planetary Habitability Laboratory of the University of Puerto Rico at Arecibo...
April 29, 2011 | By Mark Strauss

What Tales Do Albertosaurus Injuries Tell?

TMP 2003.45.64 is not exactly a headline-making fossil. The left lower jaw of an Albertosaurus, most of the teeth have fallen out and the bone is only one part of a well-known species represented by many other skeletons. But, for those who know what they are looking for, this specimen bears the tr...
April 28, 2011 | By Brian Switek

The Dinosaur Fossil Wars

Across the American West, legal battles over dinosaur fossils are on the rise as amateur prospectors make major finds
April 2009 | By Donovan Webster

Dinosaur Tracking: How Did the Siberian Dinosaurs Die?

New research from a Russian site suggests that some dinosaurs were able to thrive in very cold temperatures
January 09, 2009 | By Maura McCarthy

Dinosaur Dispatch: Days 9, 10 and 11

A new site and more digging yields a dinosaur discovery
July 03, 2008 | By Michelle Coffey

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