TED-Ed
TED-Ed: What is the universe expanding into? - Sajan Saini
The universe began in a Big Bang nearly fourteen billion years ago, and has been expanding ever since. But how does the universe expand and what is it expanding into? Sajan Saini explains the existing theories around the Big Bang and...
Bozeman Science
Calculating the Gravitational Force
In this video Paul Andersen explains why astronauts are weightless. He also explains how Newton's Universal Law of Gravitation can be used to calculate the gravitational force between objects.
SciShow
What If Dark Energy Doesn’t Exist?
Dark Energy is what we call the mysterious force that seems to be pushing the universe apart. By some calculations, it makes up 70% of everything in nature. Or...maybe it doesn’t exist at all! Plus, Juno’s observations give us new...
SciShow
3 Ways to Slingshot a Star
The star-mapping satellite Gaia has found more than 20 stars speeding across the Milky Way toward intergalactic space. There are just a few things that can slingshot a star out of a galaxy and all of them take some extreme gravitational...
Be Smart
What Do Raindrops Really Look Like?
What do raindrops look like? Exactly how we drew them as kids, right? Wrong! Teardrop-shaped rain is physically impossible. This week I went inside a vertical wind tunnel to bring you the true shape of rain.
Crash Course
Why Cosmic Evolution Matters: Crash Course Big History
Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look...
SciShow
So what IS the Higgs boson?
Hank responds to viewer questions, and explains what the Higgs boson particle actually IS.
TED-Ed
TED-Ed: Yes, scientists are actually building an elevator to space | Fabio Pacucci
Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential catastrophe. So in the space race of the 21st century, some engineers are abandoning rockets for something more...
SciShow
How Space Tech Is Changing Life on Earth: 2020 Edition
We’ve developed thousands of technologies for space exploration, but luckily for us, sometimes those solutions apply to problems here on the ground, too.
SciShow
Solving Mysteries with the Ancient Galaxies Next Door - SciShow News
Some of the oldest galaxies we’ve ever seen are small, faint satellite galaxies orbiting the Milky Way, and they're providing us with a glimpse of how the universe evolved.
SciShow
The Oldest Fossils Ever Found!
Scientists have found fossils that show life appearing on Earth much earlier than we thought. Meanwhile, could there be a new fundamental force?
SciShow
What Saturn’s Rings Tell Us About Its Soupy Core
The insides of the our gas giant friend, Saturn, might be less of a mystery now that we’ve figured out how to use its rings to indicate its internal makeup. And the light emitted from some very old, very hungry black holes could be...
SciShow
The Sorry State of Dark Matter Alternatives
Scientists can’t directly observe dark matter, and they still don’t know what it is… so why are they so confident it exists?
PBS
How to Detect Extra Dimensions
On this Space Time Journal Club we look at how gravitational waves can be used to search for extra dimensions of space!
SciShow
The Sun’s Electric Field Isn’t as Strong as We Thought!
The sun shapes the solar system in many ways, including through its mysterious solar wind, which was thought to be pushed through the force of the sun’s electric field. Recent observations revealed, though, that that hypothesis may not...
SciShow
The Surprising Benefits of Space Flies
In space we can finally get away from pesky flies landing in our drinks! But before we can live off-Earth full time, sending flies into orbit is helping us study how space affects our human hearts and immune systems.
PBS
Supervoids vs Colliding Universes!
If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast...
SciShow
Our New Galactic Neighborhood, and a Tar Comet?
SciShow Space shares the latest news from around the universe, including new insights into the giant supercluster of galaxies that we call home, and the first "data baby" from Rosetta's rendezvous with a comet.
SciShow
This Planet Survived the Death of its Star
When stars die, they tend to take everything around them with them. But new evidence appears to show a planet orbiting a white dwarf, and we’re not sure how it survived! Plus, experiments designed to detect dark matter might be capable...
SciShow
Do Black Holes Have Quantum Hair?
We don’t know what happens to stuff when it gets sucked into a black hole, but in the same instance, we don’t know what happens to the black hole. There’s a possibility that sucked up stuff might actually give the black hole “quantum hair”.
SciShow
Earthquakes Probably Won't Destroy Us in 2018
You may have read that 2018 is looking to be a bad year for earthquakes, but Hank is here to offer you some assurances.