Millions of years ago, a dinosaur dropped dead near Drumheller. Cause of death unknown. Its death was insignificant; until now.

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Abstract. Sauropodomorph dinosaurs show how appendicular skeletal architecture accommodated extreme increases in body mass. Although sauropod gigantism has

Late Triassic forests in Central Europe developed under a seasonal sub-tropical climate while the supercontinent Pangea was breaking up. Although permineralized fossil wood from this interval is abun...

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The Irrepressibles · Mirror Mirror · Canción · 2010

The Late Cretaceous sauropod fauna of Patagonia shows a high taxonomic diversity and a widespread distribution, including over a third of all known Gondwanan sauropod taxa. However, the Maastrichti...

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Tyrannosaurid species have often been considered to have high longevity and low diversity relative to contemporaneous megaherbivores. Recent chronospecies assertions around tyrannosaurid lineage ev...

A fossil from a previously undiscovered species with feathery limbs, unearthed in China, adds to evidence that dinosaurs and birds evolved flight more than once.

IntroductionAir temperatures in Alaska are increasing at twice the rate of the contiguous United States. Soil temperatures have been shown to be increasing a...

Microraptorines were bird-like dinosaurs that possessed some flight adaptations. A new fossil species from the early Cretaceous, Norellraptor barsboldi, suggests that this group evolved their own flig...

Genuine artifacts tell the richest stories that fill our souls. And they fuel the scientific enterprise.

A scrappy science project led to a significant discovery: two new species of a rare organism that could elucidate a fundamental transition in the history of life on our planet.

Apocalyptica · Apocalyptica · Song · 2005

A battle of forces, driven by the motion of Earth’s core, can explain small variations in the planet’s rotation, study finds.