A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how mass extinctions actually play out on the ground. Instead of a clean break ...

Recent fossil discoveries in New Mexico have provided compelling evidence that dinosaurs were thriving just before the asteroid impact that led to their extinction 66 million years ago. These fossils, ...

Paleontologists have identified a previously unknown species of dinosaur that lived in North America just before the mass extinction event around 66 million years ago. This catastrophic event wiped ...

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Credit: Wikimedia Commons These ancient arthropods were thriving hundreds of millions of years before dinosaurs, and they kept their design through every mass extinction that followed. A hard shell, a ...

Who knows what life would have looked like on Earth if an extinction-level event hadn't killed all of the dinosaurs? I highly doubt the dinosaurs would have let us evolve and take over the planet the ...

While volcanism caused a temporary cold period, the effects had already worn off thousands of years before the meteorite, the ultimate cause of the dinosaur extinction event, impacted. Massive ...

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 ...

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 ...