Be Smart
Space is Full of Junk. Here’s How to Clean It Up…
We know pollution is a problem on earth, but we’re filling space with our junk too. And if we don’t figure out a way to clean up space junk, we could end our interstellar dreams before they even get started. Today, we’re visiting some...
MinutePhysics
The Last Eclipse in History
We are in the Golden Age of Solar Eclipses, but only for the moment. In fact, I'd argue we're already past peak solar eclipse and it's all downhill from here.
MinutePhysics
Why the Solar System Can Exist
If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth? The answer: Stable Orbits
MinutePhysics
What are Years... and the Galactic Supermassive Black Hole!
It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?
SciShow
Earth’s other moons
You're familiar with the Moon, but it's not only our moon, depending on your point of view.
SciShow
How Many Suns Can One Planet Have?
Earth and the other seven planets in our solar system have only one star: the Sun. Years ago, astronomers found the first exoplanet that had two stars. They also found one with three stars. And four. Just how many stars can one planet have?
PBS
The Truth About Beauty in Physics
The great physicist Hermann Weyl once said: "My work always tried to unite the true with the beautiful, but when I had to choose one or the other, I usually chose the beautiful." But is this actually good advice for doing physics?
PBS
Planet X Discovered?? + Challenge Winners!
Some funky orbits near the Kuiper Belt are hinting towards a brand new planet, the elusive ‘Planet X.’ Our friends Mike Brown and Konstantin Batygin of Caltech are working hard to finally spot the potential gas giant through powerful...
Be Smart
Do Other Planets Have Seasons Too?
Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!
TED-Ed
TED-Ed: Whoever builds something here will be rich beyond measure | Fabio Pacucci
Since the 1950s, governments, companies, and researchers have been planting flags among the stars. But while it might seem like there's plenty of room in space, some pieces of celestial real estate are more valuable than others. As far...
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
SciShow
Meet the Mad Haterpillar with Henry Reich from Minute Physics
Hank faces off against Minute Physics's Henry Reich in a battle of eccentricities, fashion, and plant puns.
SciShow
Why Do the Planets Orbit in the Same Plane?
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that?
PBS
Hunt for alien life zooms in on newly discovered solar system
Astronomers have identified seven Earth-sized planets orbiting a star that's just a mere 230 trillion miles from our own planet, raising the tantalizing prospect of life in a solar system beyond our own. Science correspondent Miles...
SciShow
There's Apparently an Asteroid Between Mercury and Venus - Space News
Astronomers have found the first asteroid orbiting closer to the Sun than Venus, and recently, some scientists have been looking at Earth, trying to understand the origins of our protective magnetic field.
Crash Course
The Oort Cloud
Now that we’re done with the planets, asteroid belt, and comets, we’re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the inner solar system....
SciShow
If the Sun Became a Black Hole Would Earth Fall In
If our sun turned into a black hole, you might think our solar system would be doomed, but in reality that's just not how black holes work.
SciShow
3 Solar Systems Scientists Still Don’t Understand
From gigantic planets too close to their stars, to those in unfathomably wide orbits, astronomers have discovered seemingly impossible solar systems that shouldn’t exist at all. But they do.
SciShow
There's an Interstellar Asteroid Hiding Near Jupiter
We may have found another interstellar asteroid and scientists have some new ideas about how Saturn's moons got their weird shapes.
SciShow
Breaking News There’s an Earth-like Planet Next Door!
The rumors are true! There's an Earth-like planet orbiting our neighboring star!
SciShow
The Strangest Planets in the Universe | Compilation
Sci-Fi worlds may have giant worms or twin suns, but those are pretty cozy compared to these wild worlds.
SciShow
Could Water Survive on the Closest Exoplanet?
Exoplanets are being discovered in the habitable zone to sustain life as we know it. Could water be found on the closest exoplanet to us?
SciShow
Ingredients for Life On a Comet, and Mars's Close-Up
How did earth get the ingredients for life? A new discovery from Comet 67P might hold some answers. And learn where to find Mars in the night sky from 75 million kilometers away.
SciShow
Meet the Mad Haterpillar with Henry Reich from Minute Physics
Meet the Mad Haterpillar with Henry Reich from Minute Physics