Instructional Video5:46
SciShow

Why Does Venus Spin Backwards?

12th - Higher Ed
We're always learning more about far away galaxies and exoplanets, but we still have some pretty big mysteries hanging out here in the solar system, like why Venus spins the way it does.
Instructional Video5:29
SciShow

The First Neutron Star Collision We've Ever Seen

12th - Higher Ed
The results are in from the neutron star collision this past August! Astronomers are revealing what they've learned so far, with more pure gold research underway!
Instructional Video6:34
Crash Course Kids

Seeing Stars

3rd - 8th
So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are stars. Today, let's play a...
Instructional Video5:09
Crash Course Kids

Glow On

3rd - 8th
So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how...
Instructional Video4:56
SciShow

What Makes Earth’s Magnetic Field Change Direction?

12th - Higher Ed
You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for.
Instructional Video8:55
PBS

The Star at the End of Time

12th - Higher Ed
If we, or any conscious being is around to witness the very distant future our galaxy, what will they see? How long will life persist as the stars begin to die?
Instructional Video4:46
SciShow

Triton: The Celestial 'Cantaloupe'

12th - Higher Ed
Join SciShow Space as we explore Neptune's largest moon, Triton. It's kind of a weird place and may even have liquid water!
Instructional Video4:49
SciShow

How Radioactivity Makes Planets Habitable | Space News

12th - Higher Ed
The perfect balance of radioactive elements inside planets like ours might make it habitable, and researchers are challenging some ideas about how Mars is losing its water.
Instructional Video9:37
Crash Course

The Moon

12th - Higher Ed
Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation.
Instructional Video3:02
SciShow

Oceans on Saturn's Moon Enceladus!

12th - Higher Ed
NASA's Cassini spacecraft has detected a huge ocean under the surface of Saturn's moon Enceladus. But how? And what does it really mean? Hank lays out the data -- straight from space to your brain!
Instructional Video4:34
TED-Ed

TED-Ed: Where does gold come from? - David Lunney

Pre-K - Higher Ed
Did you know that gold is extraterrestrial? Instead of arising from our planet's rocky crust, it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David...
Instructional Video11:15
Crash Course

The Sun

12th - Higher Ed
Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our...
Instructional Video12:02
Crash Course

Black Holes

12th - Higher Ed
We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than...
Instructional Video3:59
SciShow

New Jupiter Weirdness From Juno

12th - Higher Ed
Astronomers have announced the Juno space probe’s first findings from Jupiter!
Instructional Video10:33
Crash Course

Jupiter

12th - Higher Ed
Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent...
Instructional Video11:49
TED Talks

Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution

12th - Higher Ed
We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and...
Instructional Video11:04
Bozeman Science

Geology

12th - Higher Ed
In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. Hot...
Instructional Video4:31
Be Smart

Why Does The Earth Have Layers?

12th - Higher Ed
Or why we live on an onion made of magma
Instructional Video9:01
PBS

The Death of the Sun

12th - Higher Ed
What exactly will happen when the sun dies?
Instructional Video11:41
Crash Course

Memory & Storage: Crash Course Computer Science

12th - Higher Ed
So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is storage. Data written to storage, like your hard drive, is a little different, because it will still be there even if the power goes...
Instructional Video4:21
SciShow Kids

Could I Dig a Hole Through the Earth?

K - 5th
Have you tried to dig a deep hole? So deep that you could dig all the way to the other side of the Earth? It's pretty hard, and lots of people have tried. So what's stopping us from digging through the Earth? It has something to do with...
Instructional Video2:36
MinuteEarth

Plate Tectonics Explained

12th - Higher Ed
Plate Tectonics Explained
Instructional Video3:57
SciShow

Why Are the Inner and Outer Planets Different?

12th - Higher Ed
The planets in our solar system have a very specific order. But have you wondered why they have the order they do?
Instructional Video2:47
MinuteEarth

Why is it Hot Underground?

12th - Higher Ed
Why is it Hot Underground