Paleontologists

Barnum Brown, showing off his paleo pick in an August 1932 Popular Science

Barnum Brown’s Paleo Pick

Does "Mr. Bones" really deserve credit for inventing an essential field tool?

One of the many dinosaur tracks figured in Edward Hitchcock's Ichnology of New England.

South America’s First Dinosaur Tracks

Tracks now readily recognizable as belonging to dinosaurs were once attributed to prodigious birds and other creatures

The estimated sizes of several Allosaurus specimens, including "Epanterias."

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

The formidable hand claw of Dryptosaurus

Dryptosaurus’ Surprising Hands

This enigmatic tyrannosauroid may have had the novel combination of short arms with big hands

A view of the Dinosaur National Monument quarry before it closed for renovations in 2006

A Visit to Douglass’ Dinosaur

The site became a must-see dinosaur landmark in 1957, and in a few months, visitors will once again be able to see the spectacular quarry wall

Part of Plate XII from Leidy's Cretaceous Reptiles of the United States, showing some vertebrae from Hadrosaurus.

Dinosaur Classics: Leidy’s Dinosaur Inventory

Contrary to a snarky review, this monograph is one of the most important works ever published in the history of vertebrate paleontology

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A Visit to Dinosaur Court

See a gallery of images from a monument to a time when naturalists were only just beginning to understand prehistoric creatures

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Hidden Dinosaurs and Confusing Teeth

After many false starts, scientists finally understood the first fossils of horned dinosaurs

A line-drawing of the Triceratops known as "Raymond."

Triceratops: An A+ Dinosaur

Paleontologists have recently learned how these three-horned dinosaurs fought, grew up and socialized

A hump-backed Spinosaurus, restored by R.E. Johnson and from Bailey 1997.

Was Spinosaurus a Bison-Backed Dinosaur?

Spinosaurus and Ouranosaurus were fundamentally different, and they remain among the most bizarre dinosaurs yet discovered

The reconstructed skeleton of "Brontosaurus" from W.D. Matthew's 1915 book Dinosaurs.

Two Views on How to Make a Baby Sauropod

It took a long time—and a new understanding of sauropod lifestyles—to figure out whether they laid eggs or gave birth to live young

The horns of Marsh's Bison alticornis, now recognized as those of a ceratopsian dinosaur.

When Triceratops Was a Giant Bison

The giant with the "three-horned face" was originally mistaken for a very different creature

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The Diplodocus Tripod

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A Delayed Tyrannosaurus Showdown

O.C. Marsh's conception of an eight-spiked Stegosaurus

The Myth of the Eight-Spiked Stegosaurus

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Bringing Dinosaurs Up to Speed

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A 1980s Look at Smithsonian Dinosaurs

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How Tyrannosaurus Lost a Finger

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When Dinosaurs Were New

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Will the Dinosaurs Return?

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