TED Talks
Are we alone in the universe? We're close to finding out | Lisa Kaltenegger
Astrophysicist Lisa Kaltenegger explores the thrilling possibility of discovering life beyond Earth, highlighting how cutting-edge technology like the James Webb Space Telescope lets us analyze distant planets for signs of life in...
MinutePhysics
Picture of the Big Bang (a.k.a. Oldest Light in the Universe)
Where does all the stuff in the universe come from?
PBS
Can You Observe a Typical Universe?
The moment you started observing reality, you hopelessly polluted any conclusions you might make about it. The anthropic principle guarantees that you are NOT seeing the universe in most typical state. But used correctly, this highly...
Be Smart
Is This Why We Haven’t Found Alien Civilizations? | STELLAR
Looking up at the stars makes you wonder: what and who is out there? And why haven’t we seen any other intelligent civilizations given the vast size and age of the universe? They’re complicated questions and although we haven’t met any...
Be Smart
Is There Life on Earth?
If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.
PBS
New Fundamental Particle Discovered?? + Challenge Winners!
Scientists at the Large Hadron Collider may have just discovered a new fundamental particle that could change the way we look at the universe. Is this Dark Energy? A giant Neutrino? The big brother of the Higgs Boson? Or could it be the...
TED-Ed
TED-Ed: Chris Anderson (TED): Questions no one knows the answers to
TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?
Crash Course
Exploring the Universe: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed...
TED Talks
Chris Anderson (TED): Questions no one knows the answers to
TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?
Crash Course
Why Cosmic Evolution Matters: Crash Course Big History
Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look...
TED Talks
Brian Greene: Is our universe the only universe?
Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is...
TED Talks
Alexander MacDonald: How centuries of sci-fi sparked spaceflight
Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across generations. With great visuals, TED Fellow and NASA economist Alexander MacDonald shows how 300 years of sci-fi tales -- from Edgar Allan...
TED Talks
Jon Nguyen: Tour the solar system from home
Want to navigate the solar system without having to buy a spacecraft? Jon Nguyen demos NASA JPL's "Eyes on the Solar System" -- free-to-use software for exploring the planets, moons, asteroids, and spacecraft that rotate around our sun...
MinutePhysics
Picture of the Big Bang (a.k.a. Oldest Light in the Universe)
Where does all the stuff in the universe come from?
TED Talks
Richard Dawkins: Why the universe seems so strange
Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe.
TED Talks
Sean Carroll: Distant time and the hint of a multiverse
Cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view...
TED Talks
Alex Wissner-Gross: A new equation for intelligence
Is there an equation for intelligence? Yes. It's F = T ∇ Sτ. In a fascinating and informative talk, physicist and computer scientist Alex Wissner-Gross explains what in the world that means.
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!
TED Talks
David Deutsch: After billions of years of monotony, the universe is waking up
Theoretical physicist David Deutsch delivers a mind-bending meditation on the "great monotony" -- the idea that nothing novel has appeared in the universe for billions of years -- and shows how humanity's capacity to create explanatory...
Crash Course
A Brief History of the Universe
Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when...
Be Smart
The Physics of Space Battles
How scientifically accurate is your favorite sci-fi space battle?
MinutePhysics
Shells of Cosmic Time (ft. @AstroKatie)
Thanks to @AstroKatie (http://astrokatie.com) for the collaboration! This video is about the cosmic distance scale and how we see objects farther away in space (ie at higher red shift) farther back in time because light takes time to...
TED Talks
TED: What the discovery of gravitational waves means | Allan Adams
More than a billion years ago, two black holes in a distant galaxy locked into a spiral, falling inexorably toward each other, and collided. "All that energy was pumped into the fabric of time and space itself," says theoretical...
SciShow
The Night Sky in Infrared
James Webb wouldn’t be equipped to look in the infrared if not for the previous missions that have allowed us to see the universe in wavelengths that the human eye can’t see!