For decades, scientists have debated what wiped out the dinosaurs 66 million years ago. The usual suspects? A massive asteroid or powerful volcanic eruptions. But now, researchers from Dartmouth ...

Everyone knows what a bird is – and pretty much everyone knows what a dinosaur is. But not everyone is aware that birds evolved from dinosaurs approximately 160 million years ago. In fact, birds and ...

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How did cockroaches survive the asteroid that ...

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When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

Step into "After the Age of Dinosaurs" at the Field Museum, and you'll be transported back in time 66 million years, when an asteroid collided with Earth and killed off 75% of life. "It basically ...

The mass extinction that wiped out nearly all life on Earth just before the dinosaurs evolved may have been caused by a global temperature drop rather than a rapidly warming climate. The End Triassic ...

There are some 700 known dinosaur species, but this number could change with more discoveries. Dinosaur footprints in the Connecticut River Valley rate as the first known evidence of dinosaurs ...

(CNN) — It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring day 66 million years ago, or were they already on their way out, and the ...