SciShow
The Mystery of the Star That Wasn't There
In the 1970s, astronomers discovered a mysterious source of gamma rays that, 50 years later, still hasn’t revealed all of its secrets.
SciShow
The Spiders That Turn Stars into Planets
Neutron stars, are some of the most extreme phenomenon in the universe. It's doubly so for a subset known as pulsars. Some are spinning so fast, and are so massive, that astronomers aren't entirely sure how they got to be that way. One...
TED-Ed
TED-Ed: What happens if you don't put your phone in airplane mode? | Lindsay DeMarchi
Right now, invisible signals are flying through the air all around you. Massive radio waves carry information between computers, GPS systems, cell phones, and more. And the sky is flooded with interference from routers, satellites, and,...
SciShow
What Are We REALLY Using Space Lasers For?
Ever since we started launching stuff into space, we've communicated with spacecraft (and astronauts) using radio waves. But over the past few decades, scientists have experimented with a new technique that could make things a lot more...
SciShow
What Are These Weird Rings In Space?
Over the past few years, astronomers have discovered their own kind of UFO called Odd Radio Circles, aka ORCs. They're a little too round, and a little too invisible at non-radio wavelengths, to immediately know what they are and what's...
SciShow
Astronomy’s Unsung Hero is a Plain Ol’ Aluminum Ball
In 1965, MIT's Lincoln Laboratory saw their Lincoln Calibration Sphere 1 (LCS-1) launched into Earth orbit. It was an empty aluminum sphere and couldn't do any science of its own. But the world's most boring disco ball has played a huge...
SciShow
Why Scientists Want to Build a Shoebox-Sized Particle Accelerator
If you want to make particles move really fast, you have to build a particle accelerator that is really big, right? Not anymore! Hosted by: Hank Green
SciShow
5 Ways to Travel the Universe | Compilation
There are a lot of ways to get around in space, from using plain old sunlight to making super-hot plasma. We’ve talked about a lot of propulsion methods over the years, and now, it’s time for some highlights! Chapters Solar Sail 1:02...
MinutePhysics
How We Know Black Holes Exist
Thanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video. This video is about the astronomical amount of astronomical evidence for black holes, ranging from x-ray binaries with...
Crash Course
Everything, The Universe ...And Life
Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at some of his favorite topics and the big questions that Astronomy allows us to ask.
TED Talks
TED: Wireless data from every light bulb | Harald Haas
What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human...
SciShow
SciShow QuizShow: Bad Blood and Weird Bugs
SciShow’s Executive producer Hank Green faces off against SciShow senior editor Alyssa Lerner in this Quiz Show about weird experiments and strange animal parts.
SciShow
Fast Radio Bursts Mystery Solved
Our favorite fast radio burst, FRB 121102, brings us one step closer to understanding its source, and astronomers have a new theoretical upper limit for star masses.
TED-Ed
TED-ED: How do we study the stars? - Yuan-Sen Ting
Our best technology can send men to the Moon and probes to the edge of our solar system, but these distances are vanishingly small compared to the size of the universe. How then can we learn about the galaxies beyond our own? Yuan-Sen...
Bozeman Science
PS4C - Information Technologies and Instrumentation
In this video Paul Andersen explains how humans use information technology and instrumentation to better understand their surrounds. Technologies (including X-rays, computers, and phones) use electromagnetic waves to improve the lives of...
SciShow
The Biggest Water Reservoir in Space
In the late 2000s, scientists looking deep into space discovered the largest known water reservoir in the universe inside a quasar, orbiting a supermassive black hole. Learn more about quasars and what this water can tell us about the...
SciShow
The VASIMR Engine: How to Get to Mars in 40 Days
Chemical engines can only move us through the solar system so quickly, but a faster method is being engineered right now that could get us to Mars in just 40 days!
SciShow
Official Government Statement on Mermaids
Today from SciShow World News Headquarters (Hank's office) - news about radiation risks, the most hi-def astronomy ever, and the truth about aquatic humanoids.
SciShow
The Solar Storm That Almost Started World War III
May 23rd, 1967 could have been the beginning of the end - all thanks to the sun.
SciShow
The Strangest Planets in the Universe | Compilation
Sci-Fi worlds may have giant worms or twin suns, but those are pretty cozy compared to these wild worlds.
SciShow
The First Exoplanets Were Found Around... a Pulsar
The first time scientists found exoplanets, they were orbiting something very different from our sun: a pulsar.
SciShow
New Supernova, and Internet on the Moon
SciShow Space shares the latest news from the around the universe, including the first supernova observed in real time, and Internet service on the moon. Finally!
SciShow
The Mysterious "Space Roar"
We here at SciShow like to start things off with a "Boom" for yet another season! Hank talks about the mystery behind the "Space Roar" and why it is we can't really hear it.
SciShow
The Mystery of Fast Radio Bursts
FRBs last just a few milliseconds, and astronomers have detected less than a couple dozen of them without our current telescopes. Where do scientists think they come from?