SciShow
Our Galaxy May Be 10 Times Bigger Than We Thought
The Milky Way is often described as measuring 100,000 light years across and containing the mass of a trillion Suns. But our home galaxy is actually far bigger, and might be much less massive. Astronomers aren't sure what the exact stats...
SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
SciShow
This Year in Space News (That Isn't JWST)
If you’ve been distracted looking at the amazing photos The James Webb Space Telescope has taken, not to worry. Here are three other stellar stories from the last year of space science!
PBS
The Strange Universe of Gravitational Lensing
Niels Bohr, a Danish Physicist said “Everything we call real is made of things that cannot be regarded .” Is what we see perceived to be real or is it an illusion? In the world of our mind’s eye, light travels in a straight line. In...
Be Smart
Why No One Can See the Stars Anymore
It never gets dark anymore. Not REALLY dark, anyway. Not like it used to. Light pollution is not only making it more difficult to see the night sky, but it's also affecting our health. For the past century and a half, since the dawn of...
SciShow
3 Things You Didn't Know About Voyager
Hank tells us three things we probably didn't know about the Voyager 1 spacecraft.
SciShow
More on Mating & Monogamy
Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...
SciShow Kids
What Was the Big Bang and Other Space Questions Answered! | SciShow Kids
Jessi and Sam the Bat team up to answer your questions about space, like: How was the universe created?
SciShow
How to Kill a Galaxy
Our Milky Way galaxy is alive and well, producing new stars all the time. But there’s another group of galaxies out there, populated only by venerable red dwarf stars - the young stars are nowhere to be seen. In effect, these galaxies...
SciShow
The Milky Way's Black Hole Burped 3.5 Million Years Ago
The black hole at the center of the Milky Way is quiet now, but new evidence suggests that it woke up around 3.5 million years ago. And Enceladus may have the the building blocks of the building blocks of life.
SciShow
The Milky Way Is Missing Satellite Galaxies
There’s a big difference between the number of satellites that simulations predict, and the number we’ve actually seen with telescopes, but why?
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
There's another Milky way out there
As a species, we like to think everything about us is one of a kind, including the Milky Way Galaxy, but new evidence shows that yet again, we're not so unique.
SciShow
3 Things We Still Don’t Understand About the Milky Way
We have been studying our home galaxy for years, but even though astronomy has come a long way, there is still a lot we don't know about the Milky Way.
SciShow
DNA and Dung Beetles
Chapters View all CARL LINNAEUS 1:24 20% OF KNOWN SPECIES 1:38 NOT 100 MILLION 1:51 DEEP SEA LOBSTERS 2:25 VENEZUELAN SNAIL 2:28 FISH COUNT 2:39
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?
SciShow
The End of Everything
Hank gives us an inclusive overview of how everything in the universe is thought to have begun, and how cosmologists predict it will all come to an end. Now get happy!
SciShow
Why This Galaxy Gets TWO Black Holes
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
SciShow
3 Things You Didn't Know About Voyager
Hank tells us three things we probably didn't know about the Voyager 1 spacecraft.
SciShow
Dark Matter is Slowing Down the Milky Way
The effects of dark matter on galaxies is a mystifying and difficult thing to study, but the Milky Way's galactic bar might present an exciting way to quantify how much of it exists!
SciShow
Space Headwinds Might Help Us Find Dark Matter
Some scientists are hoping to use our motion through the galaxy to help detect some of the most elusive particles of all: dark matter.
SciShow
Journey to the Center of the Galaxy
Find out what kinds of things are lurking near the center of our galaxy!
SciShow
How Did the Milky Way Get Its Spiral?
Most galaxies that we know of are spirals, including the Milky Way, but how do they form and keep their shape over billions of years?
SciShow
Meet the Milky Way's Last Big Meal: The Sausage Galaxy
Our Milky Way Galaxy once dined on the Sausage Galaxy, and Jupiter's auroras seem to be heavily influenced by one of its moons. It's a galaxy-eat-galaxy kind of universe out there!