SciShow
Project Orion: The Spaceship Propelled By Nuclear Bombs
Before the Orion of today, the Orion of the 1950s was propelled by nuclear bombs exploding behind it.
SciShow
5 Places NASA May Go to Next
NASA just announced the five finalists for the next Discovery missions. It looks like we’ll be sending probes to Venus, studying asteroids, or both!
SciShow
Asteroids to Watch Out For
Hank tells us about NASA's Near-Earth Object Program, which tracks the paths of asteroids and categorizes them according to the likelihood that they will strike the Earth at some point in the future.
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
SciShow
3 Times Scientists Did Weird Experiments With Rubber Ducks
Rubber ducks aren’t just good for some bath time fun, they’ve also helped scientists learn about the world!
SciShow
Project Daedalus Our 1970s Plan for Interstellar Travel
Many ideas have come and gone, but Project Daedalus was a uniquely ambitious plan from the 1970s that never quite came to be.
SciShow
The Future of Air Travel
It used to be that you could get on a Concorde jet and fly across the Atlantic ocean faster than the speed of sound, but what does the future hold for supersonic flight?
SciShow
What's Stopping the James Webb Space Telescope?
The James Webb Space Telescope is the most complex telescope we’ve ever sent into space. But, Webb is not, in fact, in space… yet.
SciShow
How Doctors on Earth Stopped a Medical Emergency in Space
There was a medical incident on the ISS which required NASA to treat an astronaut from Earth. And astronomers have discovered what might be some of the universe’s earliest stars.
SciShow
The Truth About the Million-Dollar Space Pen
NASA spend lots of money and time to create a pen that could use in space, on the other hand, their rival Soviet just used a pencil' You've probably heard this story, but is it true? Here is the truth about the space pen!
SciShow
Stardust Discovery, and 2 Planetary Conjunctions
SciShow Space shares the latest developments from around the universe, including news about the first material ever collected from outside the solar system, and a backyard astronomers’ guide to two upcoming planetary conjunctions.
TED Talks
James Cameron: Before Avatar ... a curious boy
James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how...
SciShow
How to Clean Up After Ourselves in Space
We've launched thousands of spacecraft over the years. And as the space junk around our planet builds up, researchers are working on ways to clean things up using some obvious things, like lasers, and some less obvious ones, like solar...
TED Talks
TED: Your kids might live on Mars. Here's how they'll survive | Stephen Petranek
It sounds like science fiction, but journalist Stephen Petranek considers it fact: within 20 years, humans will live on Mars. In this provocative talk, Petranek makes the case that humans will become a spacefaring species and describes...
SciShow
How Living on Mars Would Make Life Better on Earth
If we ever want to live, sleep, eat, and breathe on Mars, we are going to need some the best tech humans can dream up - and as a bonus that tech might actually help tackle challenges right here on Earth!
SciShow
From Kepler to Webb: The History of the Telescope
Hank regales us with the history of the telescope, and then introduces us to some folks from the team who are working on the newest telescope in the chronology - the James Webb Space Telescope, an infrared telescope due to launch in 2018.
SciShow
What We Learned from Challenger and Columbia
Late January and early February are the anniversaries of two of the most disastrous events in the history of spaceflight. What did we learn from these events, and how do we move forward?
SciShow
Could We Have Saved the Opportunity Rover? - SciShow News
For more than a decade, Opportunity has been one of our best tools for understanding Mars, but after eight months of listening and hoping, it was officially time to put the rover to bed.
SciShow
The Coolest Missions from India's Space Program
The Indian Space Research Organisation, or ISRO, is on its way to becoming a leader in space exploration - and they're just getting started.
SciShow
Tardigrades: Adorable Extremophiles
Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis.
SciShow
What We Learned by Putting Cars on the Moon
To expand their range on visits to the moon, astronauts needed a way to travel faster, go farther, and carry more than walking provided. Thankfully, they had the Lunar Roving Vehicle.
SciShow
How 19th Century Lighthouses Power Advanced Space Drives
The technology we use for space exploration gets more advanced all the time, but some of our most ambitious programs actually rely on optics invented in the 19th century for lighthouses.
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
SciShow
Three New Exoplanets Close to Home
TESS found 3 new exoplanets around a strangely calm m-dwarf star, and it's possible they could be habitable!