Triceratops and similar horned dinosaurs had unusually large nasal cavities compared to most animals. Researchers, including those from the University of Tokyo, used CT scans of fossilized Triceratops ...

After the dinosaurs disappeared, rodents slipped into the empty spaces and quietly spread into nearly every habitat on Earth.

There was a time when the planet was crawling with enormous dinosaurs, the next, a six-mile-wide asteroid hit, and life ...

Some animals have been around since the time of the dinosaurs—and they’re still thriving today! Known as “living fossils,” these creatures have barely changed over millions of years and continue to ...

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to graze like cattle on low vegetation.

Despite growing into the largest animals ever to walk on land, sauropods began life small, exposed, and alone. Fossil evidence suggests their babies were frequently eaten by multiple predators, making ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the ...

Nyasasaurus parringtoni may take the crown as the oldest dinosaur fossil known to science. It lived during the Middle Triassic around 243 million years ago, and left behind remains that predate other ...