The earth is always moving, and our view of the night sky is slowly but surely changing.

Hank discusses the challenges involved in manned space travel to Mars, and sends us a message from his 17-year-old self.

New simulations of a triple-star system in the constellation Orion suggest that a planet might be orbiting three stars, which could drastically increase the amount of the solar systems we believe are out there forming planets! And the...

Hank breaks the news to you about your brain on football, the reality behind the latest moon-base plan, and an epic win -- and fail -- in the animal kingdom.

Did you know Einstein never thought we’d find actual black holes in space? It took decades of research to show black holes are physically possible, and some of the scientists behind that research were honored this year with the Nobel...

SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!

Every morning, Helios unleashed his golden chariot, and set out across the sky. As the Sun God transformed dawn into day, he thought of his son, Phaethon, below. To prove to Phaethon that he was truly his father, Helios decided to grant...

Find out what makes stars what they are, and take a tour of some of the most extreme stars in space!

This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.

Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.

We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio?...

So, you know about stars. But what if those stars formed a super group like The Avengers? Well, then you have a Constellation! In this episode of Crash Course Kids, Sabrina chats about stars, constellations, and how humans have used...

Let's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's...

So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its...

For a long time, people have seen pictures among the stars -- just like connect the dots! Learn all about constellations, including someone of the easiest ones to spot, and what some people thought they looked like.

Howcast - Boosting the efficiency of your company's energy strategy is just a click away. Constellation Energy's VirtuWatt application gives you the information you need to make better-informed decisions about the energy usage that...

Howcast - In 2007, Constellation Energy began construction on a cutting-edge environmental control system for its Brandon Shores coal-fired power plant in Maryland. Three years later, the new technology – featuring emissions-cutting...

The Hubble Space Telescope captured imagery of supernova 2018 GV from 2018-2019. It was seen in barred spiral galaxy NGC 2525, which is located about 70 million light-years away in the constellation Puppis. Credit: Space.com / footage...

ESO’s Visible and Infrared Survey Telescope for Astronomy (VISTA) has delivered amazing imagery of nearby stellar nurseries. The views were created by "piecing together more than one million images," according to the European Souther...

Pupil outcome: I can continue to understand the plot and track Martha and Stig's relationship. Key learning points: - Martha's dream tells her that she can only save Mormor from torment if she goes to the tree. - Martha kisses Stig but...

In this video, we explore the fascinating world of constellations and their significance throughout history. From their role in timekeeping and navigation to their influence on astrology, constellations have played a crucial part in...

In this video transcript, the teacher introduces the concept of the Milky Way and discusses some major stars within our galaxy. The teacher engages the students with fun facts and encourages them to explore the night sky, sparking...

This video is answering the question of what is a constellation.

This video is answering the question of which constellation is easiest to see.