PBS
The Vacuum Catastrophe
If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn't exist. This is the vacuum catastrophe.
3Blue1Brown
What does it feel like to invent math?
A journey through infinite sums, p-adic numbers, and what it feels like to invent new math.
MinutePhysics
A Brief History of Everything, feat. Neil deGrasse Tyson
In this captivating video narrated by astrophysicist Neil deGrasse Tyson, viewers are taken on a journey through the history of the universe, from its explosive beginnings to the evolution of life on Earth. Through a mix of science and...
PBS
Black Holes from the Dawn of Time
Primordial black holes may be lurking throughout our universe. How large are they, how many are out there and what would happen if they moved through our solar system?
SciShow
The Nicest Neighborhoods in the Universe
What does it really take for a planet to be habitable? It turns out, certain parts of a star system, a galaxy, and even the universe as we know it, are more habitable than others. Get to know them as Hank takes you on a tour of some of...
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
TED Talks
TED: How the James Webb Space Telescope will unfold the universe | John C. Mather
The James Webb Space Telescope is a miracle of modern science and engineering. With a 21-foot, gold-coated mirror protected by a sunshield that's the size of a tennis court, it's the world's most powerful telescope and humanity's latest...
TED-Ed
TED-Ed: Calculating the odds of intelligent alien life - Jill Tarter
Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.
SciShow
Satellite Death Rattle
The satellite launched in February, but in March, it malfunctioned, spun out of control, and broke into pieces. The mission was declared a failure. But! Before it failed, Hitomi managed a couple days' worth of observations.
SciShow
Could Life Be Older Than Earth?
SciShow Space explores new theories about the timing of the development of life on Earth, and elsewhere in the universe.
PBS
Telescopes of Tomorrow
The telescopes of tomorrow will see in infrared and ultraviolet. They will peer through space and scan across time. They will allow us to find new supernovae, spot potentially hazardous asteroids, better understand dark energy and peer...
SciShow
Celebrating Stephen Hawking’s Most Famous Discoveries
Last week we lost legendary scientist Stephen Hawking. To honor of one of the greatest legacies in cosmology, we wanted to celebrate and unpack some of his most famous findings.
SciShow
How Going to Space Changes the Way You Think Forever
A trip into space produces physiological effects in human beings, but it can also change a person in a profound, psychological way.
SciShow
Solar Flares and a Virtual Universe
SciShow Space takes you inside solar flares, and how we've managed to get the best look at one yet, along with news about a new, Web-based simulation of the earliest days of the universe that you can explore yourself!
Be Smart
The Scale of the Universe
From the very large to the very small, the universe is an amazing place. Here's my favorite ways to explore its scale.
MinutePhysics
Einstein's Biggest Blunder, Explained
This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the problem by introducing the cosmological...
PBS
Strange Stars
What happens when matter can't get any denser yet somehow does? The answer - it becomes strange. Strange Stars may be the most massive stellar remnant that is just shy of forming a black hole. And they could be even cooler than black holes.
SciShow
Hooray for Astromice!
This week on SciShow Space News, we’re learning more about the side effects of space travel… from mice. Plus, we explore the most luminous galaxy!
Be Smart
Is Santa Real? (A Scientific Analysis)
Happy Holidays! Ever wonder how Santa could possibly manage to deliver all those presents in a single night? Or what gives red-nosed reindeer the ability to fly? And why do your Christmas lights get tangled in knots no matter how...
SciShow
The Theory of Everything...A Little Bit Closer
Hank explains how a recent astronomical discovery made in Antarctica could change what we know about the birth of the universe, and the rules of physics that govern it.
SciShow
3 Medical Breakthroughs from the International Space Station
Since November of 2000, there have always been people on board the International Space Station. That’s nearly 20 straight years of humans living in space! But the ISS isn’t just the world’s coolest playground, it’s also a...
SciShow
What Are Seasons Like On Other Planets
Ever wonder what seasons are like on other planets? Astronomers are beginning to find out, and SciShow Space explains how they know, what causes the change in seasons, and what 'summer' might mean on distant worlds.
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...
SciShow
The Kugelblitz: A Black Hole Made From Light
Can you make a black hole out of light? Learn about the strange theoretical object called the 'Kugelblitz'.