MinutePhysics
Why is it Dark at Night
Have you ever wondered why you look up and see a dark sky at night?
SciShow
How to Supersize a Telescope | Compilation
Telescopes can get pretty big, incredibly big actually. Unbelievably big. So here's a compilation about how we managed to get them that size and how that size helps us to see.
SciShow
Goodbye SOFIA, Thanks for All the Discoveries
SOFIA or The Stratospheric Observatory for Infrared Astronomy is coming to an end, but let's look back on some of the amazing discoveries of this flying telescope.
SciShow
Goodbye, SOFIA, the Telescope That Actually Flew
In 1997, NASA bought a Boeing 747SP for what might be both a super cool and super absurd purpose. Turn it into SOFIA, a flying telescope.
SciShow
The Future of the Search for Life
Astronomers have found more than 5,000 planets in the last three decades, but that’s not nearly as exciting as potentially coming across the first extraterrestrial creatures. And we may finally be in a position to make that discovery.
PBS
Science of the James Webb Telescope Explained!
You’ve probably heard about the James Webb Space Telescope and seen some cool pictures. But why should astronomers have all the fun? How do we get to use this new toy ourselves?
PBS
First Detection of Light from Behind a Black Hole
How do you see the unseeable - how do you explore the inescapable? Our cleverest astronomers have figured out ways to catch light that skims the very edge of black holes. Let’s find out what they learned. A few weeks ago a story made the...
SciShow
NASA's new frontier, and the Trouble with "Gravity"
Hank describes how astronomers used a technique called gravitational lensing to find the most distant galaxy ever detected -- and how NASA is embarking on a new program to use this same technique to peer deeper into space than ever...
SciShow
Why Days Are Getting Longer
You can complain about having the longest day ever today, and here is the science to prove it!
SciShow Kids
Telescopes in Space! | How We Study Space | SciShow Kids
Anthony and Squeaks find out how you can put telescopes in different places to help you see further away and get better pictures of things in space!
TED Talks
TED: What the discovery of exoplanets reveals about the universe | Jessie Christiansen
What are the planets outside our solar system like? Astrophysicist and TED Fellow Jessie Christiansen has helped find thousands of them (and counting), and the variety is more wonderful and wild than you might imagine. She shares details...
TED Talks
TED: The marvels and mysteries revealed by the James Webb Space Telescope | Heidi Hammel and Nadia Drake
From favorite moons to the search for alien life, astronomer Heidi Hammel discusses the latest in astronomy and the breakthrough innovations behind her work with NASA's James Webb Space Telescope. In conversation with science journalist...
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?
SciShow
Why It Took a Decade to Launch The James Webb Space Telescope | Compilation
The James Webb Space Telescope has launched! But it was a very long road to get to this point, and we’ve been following the progress for a decade!
SciShow
3 New Discoveries in Space
Hank shares three cool discoveries in space science, including a celestial crucible of phosphorous, noble gases found in a supernova, and plumes of water vapor on Europa.
TED Talks
TED: The search for the invisible matter that shapes the universe | Chanda Prescod-Weinstein
The universe that we know, with its luminous stars and orbiting planets, is largely made up of elements we can't actually see -- like dark energy and dark matter -- and therefore don't fully understand. Theoretical physicist Chanda...
SciShow
Why We're Building Underground Telescopes
Obviously most telescopes need to see the sky to do their job, but when you are studying a wave that can pass right through the earth, the best place for your telescope might be underground.
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?
TED Talks
Garik Israelian: How spectroscopy could reveal alien life
Garik Israelian is a spectroscopist, studying the spectrum emitted by a star to figure out what it's made of and how it might behave. It's a rare and accessible look at this discipline, which may be coming close to finding a planet...
SciShow
TMT: The World’s Most Controversial Telescope
What exactly is the Thirty Meter Telescope, and why is the proposed location in Hawai'i such a conflict?
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?
SciShow
NASAs new frontier and the Trouble with Gravity
Hank describes how astronomers used a technique called gravitational lensing to find the most distant galaxy ever detected -- and how NASA is embarking on a new program to use this same technique to peer deeper into space than ever...
SciShow
A New Dwarf Planet?
Astronomer Jean-Luc Margot has come up with a new definition for planets that may help us categorize worlds outside of the solar system, and we may have also discovered a new dwarf planet within the solar system!
SciShow
This Planet Used to Be the Core of a Gas Giant? | SciShow News
Scientists may have found the light from two merging black holes, and a gas giant, without the gas.