TED Talks
Erika Hamden: What it takes to launch a telescope
TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from a giant balloon at the very edge of space and looks for clues about how stars are created. She takes us inside the roller-coaster,...
SciShow
What We Learned from the Apollo 1 Fire
The Apollo 1 fire was a tragedy and a huge wake-up call for NASA, causing them to get much more serious about their safety procedures and technology, and also changed their attitude towards spaceflight in general.
SciShow
Space Trash: The Next Big Pickle
Earth's orbit has a bit of a litter problem. Hank outlines a few ways scientists have thought of to help clean things up.
SciShow
It's Time to Visit an Asteroid!
OSIRIS-REx is launching soon and it will become the first American spacecraft to return samples from an asteroid!
SciShow
Great Minds: Dr. Judith Resnik and the Icebusters
In 1984, ice was accumulating on the side of the Space Shuttle Discovery, spelling possible disaster, luckily it was the first mission of Dr. Judith Resnik, and the Canadarm.
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
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...
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...
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
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
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
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.