Crash Course Kids
Seeing Stars
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...
SciShow
3 Ways Exoplanets Rocked Planetary Science
Exoplanets have taught us a lot more about planets than our solar system could ever teach us, from what happens when they’re born, to what happens when their stars die.
SciShow
Another SpaceX Landing, and New Horizons's Next Stop
SpaceX has done it again! It's landed the first stage of a Falcon 9 rocket and the Dragon capsule has returned from the ISS. Now, what's next for New Horizons? It has its sights set an another tiny world in the Kuiper Belt.
SciShow
The Oldest Crater from a Meteorite…Isn’t a Crater after All?
There's one crater that may be older than any that we know of. Except there's a snag, it might not actually be a crater at all.
SciShow
How Cosmic Rays Make Astronauts See Stars
Some astronauts have reported the same specific symptoms: they see mysterious flashes of light out of the corner of their eyes. What causes those bizarre phenomena, and how does it affect astronauts?
PBS
How Asteroid Mining Will Save Earth
The days of oil may be numbered, but there's another natural resource that's never been touched, Asteroids.
SciShow
How Levitating Dust Shapes Airless Worlds
Our moon has no atmosphere, but sometimes it has visible bands of light streaking across its sky, and scientists suspect that electrostatic forces could explain this levitating dust!
TED-Ed
TED-ED: The journey to Pluto, the farthest world ever explored - Alan Stern
As of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of...
SciShow
An Asteroid Flyby, and Good Morning, New Horizons!
This week in SciShow Space News we bring you the latest on what to expect from NASA's New Horizons deep space mission and what asteroids to watch for in the coming years!
PBS
The Andromeda-Milky Way Collision
The Andromeda galaxy is heading straight toward our own Milky Way. The two galaxies will inevitably collide. Will that be the very last night sky our solar system witnesses?
SciShow
We Found Two Planets Using Artificial Intelligence!
Artificial Intelligence has helped astronomers discover 2 new planets in systems that we'd already looked at, and new theories about how Mars lost some of its water have surfaced.
SciShow
The Hunt for the First Neutrinos in the Universe - Cosmic Neutrino Background
The Cosmic Microwave Background shows us the oldest light in the universe, but to really understand the early universe we need something even older: The Cosmic Neutrino Background.
SciShow
Neutron Stars Just Keep Getting Weirder
Neutron stars are some of the strangest things in the universe, but are they the source of the mysterious Fast Radio Bursts? Or is it aliens? Spoilers: probably not aliens.
SciShow
Kepler's Planetary Bonanza
You've know that the Kepler Space Telescope has discovered HUNDREDS of new planets outside our solar system -- but how does it find them? And how do scientists tell the real planets from the celestial fake-outs? It involves a lot of...
SciShow
How the US Launched Its First Satellite
60 years ago, in January 1958, the United States launched its first satellite, Explorer 1.
SciShow
New Ways to Study Interstellar Space... With Voyager!
Voyager 1 may be out of our solar system (and 40+ years old) but we're still getting plenty of new data from our interstellar space probe.
SciShow
3 of the Universe’s Most Extreme Galaxies
With so many galaxies in the universe, some are bound to astound us. Here are three of the most extreme galaxies scientists have discovered so far.
TED-Ed
TED-Ed: Where did Earth's water come from? - Zachary Metz
Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our...
SciShow Kids
Let's Explore Space!
It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!
SciShow
Triton: The Celestial 'Cantaloupe'
Join SciShow Space as we explore Neptune's largest moon, Triton. It's kind of a weird place and may even have liquid water!
SciShow
A New Way to Move Tiny Spacecraft Electrospray Propulsion
Big, fiery rocket launches are just too powerful for something like a toaster-sized CubeSat once it’s in space. Electrospray propulsion is a promising new way to move these little satellites.
Crash Course
Distances
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the...
Be Smart
What Has New Horizons Taught Us About Pluto?
Since New Horizons flew by Pluto on July 14, 2015, it's completely redefined what we know about the dwarf planet and its largest moon Charon. New Horizons' mission will continue to be full of surprises, but here's what we've learned so far
SciShow
How We Figured Out That Earth Goes Around the Sun
Most of the world believed that Earth was the center of the universe for a really long time. Then a few scientists decided to take a closer look.