Asteroid impact gets sole credit for wiping out the dinosaurs 66 million years ago, according to new research.

What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million years ago.

Dinosaurs for Kids is a fun and comprehensive look at dinosaur history. In this video we highlight the various kinds of dinosaurs, talk about how they receive their names, famous dinosaur fossils, and we talk about the people who find...

Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.

Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.

The theory that the asteroid which made all non-avian dinosaurs extinct also sent a mile-high tsunami crashing into North America has been further confirmed by the discovery of fossilised ‘megaripples.’

When a plant or animal species that once lived stops existing entirely, we say that that species has become extinct. Why do certain species of plants and animals sometimes become extinct? According to the theory of evolution, individuals...

It's been 65 million years since the dinosaurs became extinct. But what wiped them out? Hear arguments from the Gradualists and Catastrophists. Biology - Adaptation And Evolution - Learning Points. 65 million years ago the dinosaurs...

Did an asteroid or several million years worth of volcanic dust wipe out the dinosaurs?
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How did dinosaurs get their names? What were the dinosaurs like? How long ago did they live? Can a dinosaur be created from DNA? Did they take care of their young? Why did they die out... or did they? In the Cretaceous Period! This is...

We've all heard the theories on why the dinosaurs died -- but how did they come to dominate the earth for so long in the first place? (Hint: it has nothing to do with their size, speed, spikes or fantastic feathers.) Travel back in time...

Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...

Dr. Forrester defines the terms comet, asteroid, meteors, meteoroids, and meteorites by classifying them as objects found within space. She also discusses the Chicxulub crater at the tip of Mexico’s Yucatan Peninsula and the theory...

When a plant or animal species that once lived stops existing entirely, we say that that species has become extinct. Why do certain species of plants and animals sometimes become extinct? According to the theory of evolution, individuals...

When pterosaurs first took flight, you could say that it marked the beginning of the end for the winged reptiles. Because, strangely enough, the power of flight -- and the changes that it led to -- may have ultimately led to their downfall.

Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.