The Scientific Revolution forever changed our concept of astronomy! Science scholars explore the major mindshift in Europe that signaled the beginning of a new area during the 12th installment of a 15-part series discussing the History...

Is it a bird, or a plane, or a blinking star? Scientists discovered in 1967 what they later determined to be a pulsing star. An episode of a larger solar system playlist discusses the chemistry behind the existence of this type of star.

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...

Dark matter accounts for 23 percent of the known universe, yet scientists don't know what it is. No one can see it, but everyone knows it is there based on the weight of the universe. Even though it isn't invisible, it does have an...

Discover why astronauts go to space and what they do there with an entertaining video equipped with captivating graphics and an energetic host.

Dark energy makes up more than 70 percent of the energy in the universe, yet scientists can't really explain it. Video attempts to explain what dark energy is and why we can't answer that question. It offers multiple theories and...

For most people, it would seem impossible to make breakthroughs in astronomy when you aren't allowed to use a telescope, but Henrietta Leavitt did just that. She discovered a formula for determining the distance to stars that are...