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
SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
SciShow
The Rock That's Helping Us Find the Origin of Life
Epidote might just look like a pretty little crystal, but it has a secret. thanks to the high-pressure circumstances where it forms, we can use it to help us uncover the origins of life on our planet, and maybe even find signs of life on...
SciShow
Were Humans Destined to Exist?
This is a snippet of a larger conversation taking place on Crash Course Pods: The Universe. Over 11 episodes, John Green and Katie Mack walk through the entire history of the universe…even the parts that aren’t written yet.
SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
SciShow
The Zombie Planet at the Center of the Earth
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.
PBS
New book details U.S. government’s UFO investigations and search for alien life
Since the 1940s, unidentified flying objects have been a part of our nation’s cultural phenomena. But for the U.S. government, UFOs have been a mystery and something the military has been investigating for decades. Amna Nawaz discussed...
SciShow Kids
How Will We Get To Mars? | Let's Explore Mars! | SciShow Kids
Mars has a ton of amazing features waiting to be explored, but we have to get there first. Thanks to our partners at the Boston Museum Of Science for helping us think about everything we need to plan a trip! Squeaks and Jessi would love...
SciShow
How to Move the Sky
The earth is always moving, and our view of the night sky is slowly but surely changing.
SciShow
Why Does Physics Love Donuts? | Compilation
Unfortunately, the universe isn't made of sugarcoated fried dough. However, here are a few ways donuts are still managing to find their way into the physical world.
SciShow
The Future of the Search for Life
Astronomers have found more than 5,000 planets in the last three decades, but that’s not nearly as exciting as potentially coming across the first extraterrestrial creatures. And we may finally be in a position to make that discovery.
SciShow
JWST: Looking Beyond The Pretty Pictures
The James Webb Space Telescope isn't just for finding Pinterest worthy pictures, we're finding some amazing details in the sometimes blurry background photos.
SciShow
How to Make a Dark Matter Planet
Dark Matter is the most abundant form of matter in the known universe, so what's keeping it from forming into planets?
SciShow
Life on an 8-Hour Planet
Even if we find an earth-sized exoplanet, how can we be so sure that we're looking at earth 2.0? It might come down to how fast it's spinning.
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
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...
PBS
Science of the James Webb Telescope Explained!
You’ve probably heard about the James Webb Space Telescope and seen some cool pictures. But why should astronomers have all the fun? How do we get to use this new toy ourselves?
PBS
What If the Galactic Habitable Zone LIMITS Intelligent Life?
Our solar system is a tiny bubble of habitability suspended in a vast universe that mostly wants to kill us. In fact, a good fraction of our own galaxy turns out to be utterly uninhabitable, even for sun—like stellar systems. Is this why...
PBS
What If Humanity Is Among The First Spacefaring Civilizations?
Half of the universe is filled with expansionist alien civilizations, and it’s only a matter of time before they’ll reach us. OK, that sounded a little sensationalist. But it’s also the conclusion of a recent astrophysics paper. Let’s...
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?
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
Why Are Saturn’s Rings Younger Than Saturn?
Saturn's rings are younger than Saturn, and the most spectacular sight in the Solar System is also disappearing. How do we know? By running our finger through some cosmic dust.