SciShow
Betelgeuse Isn’t Just Dim, It’s Lopsided - SciShow News
The constellation of Orion has one shoulder marked by a bright red star called Betelgeuse, but over the last year it's dimmed enough to notice with the naked eye! and mission scientists are shedding some light on how Arrokoth and other...
SciShow
5 Things We Still Don't Know About the Solar System
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.
SciShow
We Found Water on a Habitable Zone Exoplanet
Researchers found water in the atmosphere of an exoplanet about 110 light-years away, and there's another rock from interstellar space flying through our solar system!
SciShow
Project Orion: The Spaceship Propelled By Nuclear Bombs
Before the Orion of today, the Orion of the 1950s was propelled by nuclear bombs exploding behind it.
SciShow
Has Saturn Had More than One Ring System
Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.
SciShow
Rosetta Didn't Find Aliens!
New Horizons went into safe mode and lost a few days of science observations. And there seems to be some confusion over whether there are aliens on Comet 67P.
Crash Course
Meteors
Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower....
SciShow
5 Places NASA May Go to Next
NASA just announced the five finalists for the next Discovery missions. It looks like we’ll be sending probes to Venus, studying asteroids, or both!
SciShow
Can Moons Have Moons?
We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own?
SciShow
Why Gravitational Waves Are a Big Deal
Last week, it was announced that we've detected gravitational waves on Earth. Now, Hank explains what that means for the future and why it's such a huge deal.
SciShow
The Future of CubeSat Propulsion
CubeSats have a lot of advantages, but they need a way to move and still stay small, and that means new miniaturized propulsion systems that can help us get these tiny spacecraft out into the universe.
SciShow
How Many Galaxies Are There?
We've been trying to count the galaxies in the universe since the mid '90s, but our estimates change as our tools improve. So what does our current estimate really mean?
TED-Ed
TED-ED: Should we be looking for life elsewhere in the universe? - Aomawa Shields
As the number of _potentially habitable" planets that astronomers find continues to rise, we seem ever closer to answering the question, _Are we alone in the universe?" But should we be looking for life elsewhere? If we were to find life...
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
Crash Course
The Earth
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
Crash Course
Jupiter's Moons
Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any...
SciShow
A New, Bubbly Origin Story for the Solar System
We might be closer to figuring out how our solar system was born and NASA has two finalists for its next New Frontiers mission.
SciShow
How We Discovered the Milky Way's Black Hole
The search began with a physicist checking for sources of static on phone calls in the 1930s, but it took several decades to finally make one of the biggest discoveries in astronomy, Sagittarius A*.
SciShow
Project Daedalus Our 1970s Plan for Interstellar Travel
Many ideas have come and gone, but Project Daedalus was a uniquely ambitious plan from the 1970s that never quite came to be.
SciShow
Could We Give Mars a Magnetic Field?
One way to help us live on Mars would be to terraform the planet. Some scientists think we might be able to do that by giving it a new magnetic field!
SciShow
How to (Maybe) Find Your Own Little Amazing Meteorite
Most of the meteorites that land on this planet are pretty tiny. And enough of them fall to Earth each day that, theoretically, you could find micrometeorite yourself.
SciShow
What's Stopping the James Webb Space Telescope?
The James Webb Space Telescope is the most complex telescope we’ve ever sent into space. But, Webb is not, in fact, in space… yet.
SciShow
Astronomers Just Discovered the Biggest Explosion Ever
Scientists just discovered the largest explosion ever detected, and it's thanks to the collaborative efforts of scientists from all over the world.
SciShow
The Invisible Gas That Gave Us Galaxies
More than half of all the matter in the universe is out in the dark, 'empty space.' Although it's basically invisible, the intergalactic medium has a lot to tell us about the stuff we can see.