Should horses be considered native to North America? PBS Eons presents the fossil record to answer this question. the video starts with the evolution of animals that eventually led to the family scientists now know includes horses. Then,...

Back in 1492, when Columbus sailed the ocean blue, he discovered more than a new world! Part 16 in an ongoing History of Science series explores the Columbian Exchange and other major events in the Spanish colonial period. Viewers learn...

Like something from a low-budget horror movie, terror birds ruled the roost in South America millions of years ago. Things didn't go as well when they headed north! With an intriguing video, biology scholars explore the massive migration...

Play a fun video that plants the five oceans and seven continents into young learners brains. The video first goes through the continents in alphabetical order, and then the five oceans in alphabetical order.

What are the green and blue things on a globe? Water and land—the two main features on Earth. Watch a video that distinguishes items on the globe from continents to countries and water to oceans and freshwater. Quiz the...

Experience the continent with the most diverse environments; you'll find almost all major habitats on this continent. [3:29]

The shifting boundaries and territories of Mexico, the United States and Canada are shown from 1750 to the present in this color-coded map animation. [2:10]