What's not to love about dinosaurs? Lucky for us humans, we can love to learn about them from 100 million years away, especially a group of extra large predatory dinosaurs from the Cretaceous period. Watch a descriptive video that...

Encyclopedia Britannica produced this vintage video which focuses on the three places earth's water is present; the ocean, rivers/lakes/groundwater, and water vapor in the atmosphere. They define The Water Cycle as; "The constant...

Water that leaves the oceans must eventually return. The animations in the final lesson of the four-part NASA series show the complex path water can take across landforms before returning to the ocean. Approximately one-third of the...