Could there really be over 200 billion galaxies? It turns out the number may be closer to two trillion galaxies! A video presentation discusses the existence of galaxies in the universe. The narrator explains how scientists make their...

The Kepler Space Telescope ran out of fuel in October 2018. Learn what the telescope communicated to scientists before its demise! A video lesson from the SciShow Space series highlights the important data the Kepler Space Telescope gave...

Scientists have theorized about the merging of stars based on scientific theories and mathematical principles. For the first time, observation has confirmed these theories. Viewers share in the excitement of the discovery as they watch...

Take a look at astronomy through the light lens. From radio to gamma, light waves exist in every corner of the universe. An enlightening PowerPoint presentation gives an overview of the different categories of light and then discusses...

In March 2009, NASA launched the Kepler Space Telescope to look for exoplanets. Almost immediately, it identified planets and has continued to work for many years. An informative video introduces this telescope, how it works, and shares...

The majority of all confirmed exoplanets relied on Kepler's laws to discover their locations. Scholars learn how to apply Kepler's laws and then practice using data to discover exoplanets. They benefit from NASA video footage, NOVA...

How do we know what we know? Examine the asker of this, and many other questions, during the 14th installment in a 15-part History of Science video series. The narrator explains the important contributions made by Galileo, Bacon, and...

Sword duels, religious unrest, war—who says science is boring? Aspiring astronomers discover fascinating facts about the famous scientists that dared challenge the accepted model of the solar system in the 13th video of a 16-part History...

See the sun shine as you've never seen it before! Captivate your class with an activity from NOVA's Sun Lab unit. Viewers learn about the advanced satellite-mounted telescopes NASA uses to monitor the sun at every wavelength of light,...

What can the electromagnetic spectrum tell us about the sun? As it turns out, quite a bit! See the sun in a whole new light with a video from NOVA's Sun Lab unit. The narrator describes the electromagnetic spectrum in terms of visible...

Welcome to Sun 101! What better way to gain an understanding of our star than to learn about its anatomy? Physical science scholars peer inside to discover the inner workings of the sun through a video and discussion questions. The...

Looking for a sun-sational multi-lesson plan full of videos, simulations, and discussion? Introduce your young scientists to all things solar with a four-part hands-on adventure. Pupils learn the basics of solar anatomy, space weather,...

The nesting dolls of stars have been discovered! Although scientists believed it to be true, only recently have they located a star with a core of another star. The episode of a comprehensive solar system series describes how astronomers...

Have we found the next Earth? Join the host of an interesting physics series as she learns what scientists know about the planets orbiting the star Trappist-1 during an engaging video. Astronomers discuss how they located the system,...

Take a trip back in time to the Age of Enlightenment. A video lesson describes the sequence of events leading to the discovery of the planet Uranus. Previously, Uranus was considered a faint star, then a comet, and finally correctly...

Aristotle said, "The more you know, the more you know you don't know." Physics includes everything from the laws of motion to quantum gravity. An interesting video attempts to cover the main concepts of every branch of physics in only a...

It's time to get technical! Technical doesn't have to be tricky, though—even in the lower grades. A short video discussing standard PS4C, Information Technologies and Instrumentation, leads you through the surprisingly simple side of...

How does a lens work? A thorough video lesson addresses this question by looking at the lenses of human eyes, telescopes, and microscopes. Light waves play an important role function of each of these objects. This is the 41st lesson in...

Between 100 billion and 400 billion stars exist in the Milky Way Galaxy. The video discuses five amazing stars with unique characteristics. Most pupils know about red giants but need to learn more about hybrid stars—here is a great video...

Use a guide that provides safe ways for viewing the eclipse with a camera or telescope. The guide also includes tips and tricks for getting the best shot using a camera phone or SLR camera. You won't wanna miss this!

We directly see only four percent of the universe. The video introduces astronomy and encourages viewers to think bigger. Starting with what science is and how we define astronomy, it then continues into the many ways astronomy has...

The night sky is filled with stars in every direction. But, is there anything around those stars ... like planets? Explore the galaxy in a search for other worlds with an engaging video. Topics include the methods used for locating...

According to the video, astronomy is like a jigsaw puzzle with an infinite number of pieces. The video explains the history and invention of telescopes, how they work, refraction versus reflection, and the changing technology. It...

Radio waves are good for more than just your favorite music! The third in an interactive series of 13 lessons explains the function of a radio telescope. The instruction explains what they do, how they work, and how they compare to other...