SciShow
Where Are All the Exo-Earths?
Scientists have discovered over 5,000 exoplanets in the last few decades, but where are the Exo-Earths?
Crash Course
Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
TED Talks
TED: The future we're building -- and boring | elon Musk
elon Musk discusses his new project digging tunnels under LA, the latest from Tesla and SpaceX and his motivation for building a future on Mars in conversation with TeD's Head Curator, Chris Anderson.
SciShow
The Cosmic Lasers That Form in Outer Space
Lasers are incredible narrow beams of light we can use to do everything from cutting metal to operating on people's eyeballs. But even though we came up with the idea on our own, humans didn’t actually make the first lasers.
SciShow
How Scientists Found the First Type of Molecule in the Universe - SciShow News
Around a quarter of a million years after the Big Bang, the very first molecule, helium hydride was formed. Now scientists have confirmed that molecule is still being made, and they found it with some help from a high flying airplane.
Crash Course
Life Begins: Crash Course Big History
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
SciShow Kids
Are There Other Planets Like Earth?
Earth is unique in that it's the only planet we know of that can support life. But could there be another planet like ours somewhere far away?
TED Talks
TED: Where are all the aliens? | Stephen Webb
The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, he spells out the...
SciShow
An Unsung Hero of Astronomy: The International Ultraviolet Explorer
The International Ultraviolet Explorer was the first of its kind, giving us glimpses into phenomena like supernovas and Halley's comet. So why do we hear so little about it?"
SciShow
Is Earth Getting Heavier?
SciShow Space tackles a viewer question: Is the Earth getting heavier? The answers -- there's actually more than one -- may surprise you!
SciShow
Why Scientists Tracked One Neutrino Across the Universe
Last week scientists announced that they’ve likely identified the very first astrophysical source of high-energy neutrinos.
SciShow
How to Study String Theory Using X-Rays - SciShow News
Over the last few years astronomers have been doing more and more research based on string theory, and thanks to modern telescopes the results are... less than encouraging
SciShow
The Strongest Magnetic Field in the Universe
Hint: It's not your collection of awesome refrigerator magnets!
Be Smart
Title: The Recipe For Life
If the human body could be distilled down into one molecule, what would our chemical formula be? And WHY is it that way? There’s a whole lot of elements on the periodic table, but life depends on relatively few of them in order to build...
MinutePhysics
Relativity of Simultaneity | Special Relativity Ch. 4
The previous videos in this series: Chapter 1: Why Relativity is Hard Chapter 2: Spacetime Diagrams Chapter 3: Lorentz Transformations This video is chapter 4 in my series on special relativity, and it covers how things that appear...
SciShow
The Gamma Ray Burst of 775
About 1200 years ago, Earth may have experienced one of the rarest and most powerful cosmic events a planet can be exposed to: a gamma-ray burst. If it did, well, let's just say that we, as living things on Earth, are lucky it wasn't worse.
TED-Ed
TED-Ed: The basics of the Higgs boson - Dave Barney and Steve Goldfarb
In 2012, scientists at CERN discovered evidence of the Higgs boson. The what? The Higgs boson is one of two types of fundamental particles and is a particular game-changer in the field of particle physics, proving how particles gain...
SciShow
Enceladus's Super-Thin Ice
You might not want to sign up for the Enceladus Ice Hockey League... And some researchers have an idea that might make the Big Bang model more accurate!
TED-Ed
TED-Ed: Could human civilization spread across the whole galaxy? - Roey Tzezana
Could human civilization eventually spread across the whole Milky Way galaxy? Could we move beyond our small, blue planet to establish colonies in the multitude of star systems out there? These questions are pretty daunting, but their...
SciShow
Why Physics Can't Totally Explain the Universe's Expansion - SciShow News
Astronomers have gotten pretty good at calculating how fast the universe is expanding, but new measurements don’t line up with the predictions of well-tested laws of physics. Now scientists have a new question to ponder: Why are these...
TED Talks
Phil Plait: The secret to scientific discoveries? Making mistakes
Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science...
SciShow
Could Dark Matter Stars Exist?
Most of the universe is made up of dark matter, so could it form into stars and galaxies like regular matter?