SciShow
3 Ways to Save Earth from an Asteroid
Hank gives us the skinny on three plans NASA scientists have come up with to save Earth from an asteroid impact. Hopefully we'll never have to use any of them.
SciShow
We Almost Didn't See the North Pole Space Hurricane | SciShow News
Astrophysicists have discovered an exoplanet that lost its atmosphere, but then, somehow, grew it back! Also, astronomers used satellite data to find a magnetic hurricane above the north pole that we almost missed!
SciShow
The First Time We Saw All of Venus: The Magellan Mission
NASA’s Magellan mission gave us unprecedented insight into Venus’s rocky surface, and even now, more than 25 years after the mission ended, it’s still one of our main tools for learning about our mysterious, next-door neighbor.
SciShow
How We Learned Black Holes Actually Exist | 2020 Nobel Prize in Physics
Did you know Einstein never thought we’d find actual black holes in space? It took decades of research to show black holes are physically possible, and some of the scientists behind that research were honored this year with the Nobel...
SciShow
This Collision Could Have Created the Solar System | SciShow News
A dwarf galaxy crashing through the Milky Way billions of years ago could have set off periods of star formation, and astronomers recently captured a rare flashing phenomenon that only shows up in the sky for a few days!
SciShow
The First-Ever Map of Mars’s Interior
We’ve done a surprising amount of exploration on Mars, from its atmosphere, to its surface, and miles deep into its canyons. But mapping its insides has been a quandary that we hadn’t been able to solve until last week!
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
TED Talks
TED: How the James Webb Space Telescope will unfold the universe | John C. Mather
The James Webb Space Telescope is a miracle of modern science and engineering. With a 21-foot, gold-coated mirror protected by a sunshield that's the size of a tennis court, it's the world's most powerful telescope and humanity's latest...
SciShow
First Kisses and Spring!
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
SciShow
Why Did We Keep Sealed Moon Samples?
We’ve been sitting on samples of the lunar surface for decades and, with better technology than when they were taken, we are opening them back up to take another look!
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
Keeping the Fungus Among Us in Space
Developing new methods for survival in space is a constant and ever-evolving process, and a well known Earthly organism has the potential for multiple applications within space’s unforgiving environment!
SciShow
It’s Probably Not Aliens on Venus… But It Could Be | SciShow News
Is there life on Venus? If there is, it would have to be unlike anything we’ve ever seen! New evidence means the possibility of life there is in question, but it could also mean a few other things.
SciShow
These Icy Rocks Might Be from Another Solar System | SciShow News
New research suggests that Venus’ patterned crust might currently be more active than we thought! Astrophysicists have also modeled the orbits of mysterious objects between Jupiter and Neptune, and found that they could have come from...
SciShow
3 Medical Breakthroughs from the International Space Station
Since November of 2000, there have always been people on board the International Space Station. That’s nearly 20 straight years of humans living in space! But the ISS isn’t just the world’s coolest playground, it’s also a...
SciShow
Why Don't Comets Ever Have a Green Tail?
There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?
SciShow
How Plastic Balls and Garbage Cans Help Us Study Space
How can we be so sure of the way celestial bodies behave when they're so far away? With the help of some speakers, garbage cans, and springs of course.
SciShow
The Strange Scourge of Light Pollution
Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...
TED Talks
Risa Wechsler: The search for dark matter -- and what we've found so far
Roughly 85 percent of mass in the universe is "dark matter" -- mysterious material that can't be directly observed but has an immense influence on the cosmos. What exactly is this strange stuff, and what does it have to do with our...
PBS
What Happens at the Event Horizon?
What really happens when you approach the event horizon of a black hole?
TED Talks
Tom Wujec: Learn to use the 13th-century astrolabe
Rather than demo another new technology, Tom Wujec reaches back to one of our earliest but most ingenious devices -- the astrolabe. With thousands of uses, from telling time to mapping the night sky, this old tech reminds us that the...
SciShow
This Massive Star Just... Vanished | SciShow News
Astronomers have some insights into the mysterious disappearance of the luminous blue variable star in the Kinman Dwarf Galaxy, and we're digging up more clues about how our friend the Moon may have formed.
SciShow
The Star That’s Secretly a Lawn Sprinkler
Scientists have found a star that spins so fast that it can almost complete a full rotation by the time it takes you to finish reading this episode description.