Was Earth born as a Blue Planet? Discover where water came from with a video from an intriguing science playlist. The resource covers the three most likely origins of water, how scientists differentiate between comet and asteroid water,...

Dive into a lesson on the habitat of Earth least studied. A creative lesson describes the characteristics of animals that live in the deepest depths of the ocean. It also shares the concern of scientists that fishing these depths may...

Let this sink in: oceans cover more than 70% of the planet! This video teaches many facts about the ocean using creative graphs to convey the vastness of its features. The ocean contains the longest mountain chain, the tallest...

With so indescribably many stars and planets in existence, certainly we aren't alone in the universe! Or are we? Strangely, we haven't discovered any hints of life beyond Earth. The contradiction, known as the Fermi paradox, is...