TED-Ed
TED-Ed: A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
Out of billions of galaxies and billions of stars, how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets.
Crash Course
The New Astronomy: Crash Course History of Science
This week on Crash Course: History of the Scientific Revolution—astronomical anomalies accrued. Meanwhile, in Denmark—an eccentric rich dude constructed not one but two science castles! And his humble German assistant synthesized a lot...
SciShow
Why does Saturn have rings?
Hank fields one of the most commonly asked questions about our solar system: Why does Saturn have rings? Part of the answer has to do with the fact that it's not the only planet that has them. Watch to learn more!
TED Talks
TED: How we'll find life on other planets | Aomawa Shields
Astronomer Aomawa Shields searches for clues that life might exist elsewhere in the universe by examining the atmospheres of distant exoplanets. When she isn't exploring the heavens, the classically trained actor (and TED Fellow) looks...
Be Smart
Exoplanets: Are There Other Earths?
We live in one of a hundred billion of galaxies, each with hundreds of billions of stars. And now, thanks to modern astronomy, we know that the Milky Way is home to perhaps a hundred billion planets! In the past two decades, these...
SciShow
A Raindrop Is a Raindrop, Even When It’s Metal
On earth it rains water, on the exoplanet WASP-76b, it rains liquid iron, but no matter what planet you're on, the rain drops there have a lot more in common than you might think.
SciShow
SpaceX's Mars Mission, and 3 Exciting Exoplanets!
SpaceX wants to go to Mars and habitable exoplanets might be closer than we think!
SciShow
The 2 Secrets to Sending People to Mars
Hank revisits his passion for exploring the Red Planet, breaking down the two biggest challenges of sending humans to Mars: radiation and propulsion. He explains the science behind the obstacles future Mars-bound astronauts will face, as...
SciShow
What Is Gravitational Lensing?
Learn more about gravitational lensing with host Caitlin Hofmeister.
SciShow
Why We Didn't Know How Long a Venus Day Was
Researchers have finally determined how long a day on Venus is, give or take an episode of Brooklyn 99.
TED Talks
TED: The case to infect volunteers with COVID-19 to accelerate vaccine testing | Nir Eyal
Conventional vaccine testing is a slow, years-long process. As thousands of people continue to die each day from COVID-19, bioethicist Nir Eyal proposes a radical idea that could dramatically accelerate the vaccine development timeline:...
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?
TED Talks
TED: What does the universe sound like? A musical tour | Matt Russo
Is outer space really the silent and lifeless place it's often depicted to be? Perhaps not. Astrophysicist and musician Matt Russo takes us on a journey through the cosmos, revealing the hidden rhythms and harmonies of planetary orbits....
TED-Ed
TED-Ed: What is the universe made of? - Dennis Wildfogel
The atoms around you have existed for billions of years -- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form...
SciShow
5 Things We Still Don't Know About the Solar System
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.
TED Talks
TED: The fingerprints of life beyond Earth | Clara Sousa-Silva
Is there life on Venus? Quantum astrochemist Clara Sousa-Silva makes the case for a new way to seek and possibly discover habitable planets -- and shares her research into a poisonous, smelly molecule that might signal life beyond Earth.
SciShow
Has Saturn Had More than One Ring System
Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
Crash Course
Migrations and Intensification Crash Course Big History 7
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of...
TED-Ed
TED-Ed: Why can't we see evidence of alien life? - Chris Anderson
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question...
TED-Ed
TED-ED: Should we be looking for life elsewhere in the universe? - Aomawa Shields
As the number of _potentially habitable" planets that astronomers find continues to rise, we seem ever closer to answering the question, _Are we alone in the universe?" But should we be looking for life elsewhere? If we were to find life...
Crash Course
The Earth
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
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
Great Minds of Astronomy: Cecilia Payne-Gaposchkin
Welcome to SciShow Space! In this episode Caitlin Hofmeister will talk about Cecilia Payne-Gaposchkin, one of the most influential women in astronomy!