History In The Headlines

Category: Dinosaurs

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Cold-Blooded or Warm-Blooded? Dinosaurs May Have Been in Between

In the long-running debate over whether dinosaurs were cold-blooded or warm-blooded, new research has suggested a middle ground.

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Scientists Reconstruct Dinosaur Chase in 3-D

Using old photographs and cutting-edge technology, scientists have digitally reconstructed a prehistoric dinosaur chase through an ancient riverbed in Texas.

Illustration by Karen Carr

T. Rex’s Little Cousin: New Pygmy Tyrannosaur Discovered in Alaska

A newly discovered species of tyrannosaur roamed the ancient Arctic 70 million years ago and was about half the size of its close cousin, Tyrannosaurus rex.

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Dinosaur Asteroid May Have Sent Life Into Space

The giant asteroid that hit Earth some 65 million years ago may have propelled rocks big enough to shelter life all the way to Mars and the moons of Jupiter.

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Dinosaur Sites Under Siege By Poachers

Researchers worry that black-market dino bones will be lost forever to science.

University of Alaska Museum of the North examining Cretaceous rock along the Yukon River (Credit: Pat Druckenmiller)

Important New Site for Dinosaur Fossils Discovered in Alaska

Researchers make a rare find: thousands of dino tracks along the Yukon River.

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Dinosaur Egg Study Suggests New Evolutionary Link With Birds

A new study of fossilized dinosaur eggs provides evidence of similarities between the nesting behaviors of dinosaurs and their closest living relatives – birds.

Swimming Dinosaur

Dinosaurs Were Strong Swimmers, Study Suggests

Theropod dinosaurs like Tyrannosaurus rex held their own in the water, according to new evidence.

Four-Winged Birds

Did Four-Winged Birds and Dinos Fly the Ancient Skies?

Researchers believe the very first birds inherited a four-wing configuration from their dinosaur ancestors.

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This Year in History: 2012

As 2012 comes to an end, explore some of the year’s stories, as covered by History in the Headlines.

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The Biggest Losers: Dinosaurs Slim Down With Lasers

New research shows that dinosaurs weighed significantly less than previous estimates.

Dinosaur Arthritis

Arthritisaurus: Did Elderly Dinos Get Inflamed Joints?

Research suggests the marine reptiles known as pliosaurs got arthritis, and their dinosaur contemporaries might also have suffered from the condition.

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T. Rex Cousin Was Largest Known Feathered Animal

A giant dinosaur that roamed China 125 million years ago is the largest feathered creature known to science, a new study reports.