Dinosaurs : Science World Report

Dec 18, 2014 10:00 AM EST

Asteroid that Destroyed the Dinosaurs Nearly Caused Mammals to Become Extinct

The asteroid that caused the dinosaurs to become extinct may have also almost wiped out mammals. Scientists have found that 66 million years ago, many mammals died alongside the dinosaurs.

Dec 11, 2014 08:40 AM EST

Oldest Horned Dinosaur Species in North America is the Size of a Crow

During the early Cretaceous in North America, a horned dinosaur species stalked the forests. Now, scientists have taken a closer look at this newly discovered species, and have revealed that it's the first definite horned dinosaur species from that period.

Nov 10, 2014 08:23 AM EST

Armor-Plated Dinosaurs Used Their Super-Long Nasal Passages to Keep Their Cool

Armor-plated dinosaurs probably had to deal with warm conditions. So how did these massive creatures keep their cool? Scientists have found that these dinosaurs had the capacity to modify the temperature of the air they breathed by using their long, winding nasal passages as heat transfer devices.

Nov 06, 2014 07:57 AM EST

Scientists Reconstruct the Ancient Colors of Archaeopteryx Wings

Reconstructing what ancient creatures look like is a difficult process, especially when it comes to imagining what colors that might have had. Now, though, scientists are using new methods to figure out the color of fossils, reconstructing what the ancient Archaeopteryx may have looked like while it...

Nov 06, 2014 07:37 AM EST

Missing Link Between Land and Sea Discovered in New Ancient Ichthyosaur Fossil

Scientists have just filled in an evolutionary gap. They've discovered the first fossil of an amphibious ichthyosaur in China, which is the first ever link to the dolphin-like ichthyosaur to its terrestrial ancestors.

Nov 06, 2014 07:08 AM EST

Giant Groundhog Skull from the Age of Dinosaurs Reveals How Mammals Evolved

Imagine a groundhog that weighs 20 pounds or more. Now imagine that groundhog living during the age of the dinosaurs.

Oct 31, 2014 06:48 AM EDT

Why Colorful Dinosaur Feathers Evolved: Not to Fly But to Display

Birds aren't the only ones with feathers. Dinosaurs also possessed colorful plumage. But why did these ancient creatures have feathers long before early bird species, such as Archaeopteryx, attempted to fly? Scientists may now have the answer.

Oct 22, 2014 06:50 AM EDT

Dueling Dinosaurs: Stegosaur Stabbed Predatory Allosaur to Death with Deadly Tail Spike

The stegosaur may have been a herbivore, but it was no pushover in a fight. New evidence reveals that a predatory allosaur was stabbed to death by a stegosaurus, showing that this dinosaur wasn't one to think lightly of.

Oct 21, 2014 10:21 AM EDT

The World of Dinosaurs: Amber Reveals the Ecology of the Ancient Earth

Scientists are learning a bit more about the world in which dinosaurs lived, thanks to the efforts of one researcher. Ryan McKellar examines pieces of amber found buried with dinosaur skeletons in order to study the world in which they lived.

Oct 08, 2014 12:16 PM EDT

How Dinosaurs Ate So Much and Still Coexisted: Dividing Up Leafy Meals

When dinosaurs roamed the Earth, they fed and lived alongside one another. Yet how did such massive creatures manage to live with each other without eating all of their resources?

Oct 01, 2014 09:53 AM EDT

Fossil Bones Reveal How Dinosaur Arms Evolved into Bird Wings

While we all know that birds evolved from a branch of dinosaurs, exactly how they accomplished this feat has long puzzled evolutionary biologists. Now, scientists have taken a closer look at how dinosaur arms evolved into wings over time.

Sep 29, 2014 11:50 AM EDT

Ancient Tooth Reveals Reptilian Predator Attack Millions of Years Ago

About 210 million years ago, dog-sized dinosaurs hid from the predators at the top of the food chain: reptilian predators called phytosaurs and rauisuchids. Now, scientists have found that these predators may have interacted with each other far more often than previously thought.