SciShow
The Tiny Experiment That Transformed Physics
In 1956, a team of scientists conducted an experiment that, seemed kind of trivial, but the results would challenge one of our fundamental beliefs about the entire universe.
TED Talks
Freeman Dyson: Let's look for life in the outer solar system
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
TED-Ed
TED-Ed: How many universes are there? - Chris Anderson
The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that...
SciShow
How Long Can Humans Outrun Extinction?
In a few million years, we’re going to have to leave Earth if we want to survive. But how long can we actually outrun extinction before the universe becomes uninhabitable to us?
SciShow
This Star Just Won't Stop Exploding!
M31N 2008-12a is a rare phenomenon called a recurrent nova, and it may hold the key to understanding the lives and cataclysmic deaths of massive stars.
SciShow
It's Official, Life Could Survive on Enceladus
Enceladus’ environment could totally be habitable for at least one real-world microbe and we just found the oldest supernova.
SciShow
Gold: The Big Bling
Hank talks about a shiny element that has fascinated humans for millenia.
SciShow
How to Tilt a Black Hole
It seems the more we learn about black holes, the more there is to find out. In this case, what in the universe could have put one on its side?
PBS
Why the Universe Needs Dark Energy
We know the universe will continue to expand forever, so now we can begin to complete the first Friedmann equation, and determine the shape and geometry of our universe. At first glance, it would seem that the equation doesn't quite add...
Crash Course
Dark Matter
Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and other large structures in the universe are created and shifted by a force we...
SciShow
Could Wormholes Really Exist?
If wormholes aren't just convenient plot devices for science fiction writers, they're still much weirder than anything we could make up.
SciShow
ALMA: What We've Learned from One of the Best Telescopes on Earth
Move over Hubble, ALMA sees what you can't!
TED Talks
Roy Gould + Curtis Wong: A preview of the WorldWide Telescope
Educator Roy Gould and researcher Curtis Wong show a sneak preview of Microsoft's WorldWide Telescope, which compiles images from telescopes and satellites to build a comprehensive, interactive view of our universe.
TED Talks
TED: The story of 'Oumuamua, the first visitor from another star system | Karen J. Meech
In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star system. The interstellar comet -- a half-mile-long object eventually named `Oumuamua, from...
SciShow
Brown Dwarfs Space’s Strangely Important Oddballs
You’d think it would be easy to tell if an object in space was a star or a planet - is it big, hot, and shining? It’s a star! Small, cool, and made of rock and gas? Planet! But cosmic oddities know as brown dwarfs remind us that the...
SciShow
An Impossible Black Hole, and Finally Meeting Ceres
SciShow Space takes you to a distant, ancient black hole that … really shouldn’t be, and psyches you up for the Dawn spacecraft’s final approach to Ceres!
TED Talks
Sarah T. Stewart: Where did the Moon come from? A new theory
The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special...
MinutePhysics
How To Discover Weird New Particles - Emergent Quantum Quasiparticles
This video is about weird condensed matter systems, aka materials that have bizarre emergent particles in them that are unlike most other particles in the universe.
SciShow
How Slime Mold Is Tackling Mysteries of Cosmology - SciShow News
We might be able to use slime molds to help predict the shape of matter in the universe, and the Rosetta mission may have figured out why many comets seem to be missing a bunch of nitrogen.
SciShow
The Brightest, Biggest Space News of 2019!
This has been another really good year for exploring the universe. This is our annual superlatives episode, so let’s take a look at the some of the coolest breakthroughs of 2019.
SciShow
Could Naked Singularities Exist?
A naked singularity is something that should be a black hole, but it’s neither black nor a hole. If they exist, they’ll rewrite physics as we know it.
SciShow
This Amazing Mission Almost Failed After Launch
The ESA Hipparcos team worked for 20 years on the project, then had to watch as the mission ALMOST failed! But somehow, they turned it around, and today, this little-known mission has totally transformed what we know about space.
Be Smart
Is There Intelligent Life Beyond Earth?
Now that we know planets are common in our galaxy, how would we tell if one holds life? Sure, it will take incredibly powerful telescopes and ambitious new space missions, but what are we looking for? What are we listening for? How do we...