The dinosaur era spans millions of years, yet large parts of its story remain uncertain. Fossil evidence provides timelines and patterns, but many transitions are still debated among scientists. Key ...

One of the most surprising effects of the cascade of changes was...fruit? One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been ...

Explores the world of dinosaurs and the work of paleontologists who study fossils. It details the process of excavating fossil bones, particularly of a plesiosaur, and the meticulous steps taken to ...

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A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Some of their dinosaur-like traits are their bone structure, strong leg muscles for bipedal walking, sharp claws, and the ability to defend themselves by kicking. The Triassic-Jurassic Extinction ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...