TED Talks
Nancy Duarte: The secret structure of great talks
From the "I have a dream" speech to Steve Jobs' iPhone launch, many great talks have a common structure that helps their message resonate with listeners. In this talk, presentation expert Nancy Duarte shares practical lessons on how to...
SciShow
How the First Stars Transformed the Universe
The first stars turned all the neutral hydrogen in the universe back into ions, created a bunch of new elements, and just generally made a mess. But without them, you wouldn’t be here.
SciShow
Eclipses That Don't Eclipse
Here on Earth, we’re used to seeing both lunar and solar eclipses. But further out are eclipses that don’t behave at all the way we expected them to.
SciShow
Betelgeuse Isn’t Just Dim, It’s Lopsided - SciShow News
The constellation of Orion has one shoulder marked by a bright red star called Betelgeuse, but over the last year it's dimmed enough to notice with the naked eye! and mission scientists are shedding some light on how Arrokoth and other...
SciShow
How to Catch a Supernova Rerun
On earth a sound echo lets you hear something again. Over great distances, a light echo can let you see something again, specifically an exploding star.
SciShow Kids
The Colors of Stars! | The Science of Colors! | SciShow Kids
Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean! Next Generation Science Standards Crosscutting Concepts: Patterns: Observed patterns in...
TED-Ed
TED-Ed: Brendan Constantine: "The Opposites Game"
This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Brendan Constantine, directed by...
SciShow
We Found Water on a Habitable Zone Exoplanet
Researchers found water in the atmosphere of an exoplanet about 110 light-years away, and there's another rock from interstellar space flying through our solar system!
SciShow
The Smallest Star in the Universe
SciShow Space takes you to the smallest star in the universe, and explains how astronomers figured out that's what it was!
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
SciShow
These Stars Are Being Eaten Alive from the Inside
In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!
SciShow
Can Moons Have Moons?
We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own?
SciShow
The Oldest Star in the Universe
Hank tells the story of the mysterious star known as "Methuseleh," and why scientists think that it is the oldest known star in the universe.
SciShow
A New, Bubbly Origin Story for the Solar System
We might be closer to figuring out how our solar system was born and NASA has two finalists for its next New Frontiers mission.
SciShow
How We Discovered the Milky Way's Black Hole
The search began with a physicist checking for sources of static on phone calls in the 1930s, but it took several decades to finally make one of the biggest discoveries in astronomy, Sagittarius A*.
SciShow
Project Daedalus Our 1970s Plan for Interstellar Travel
Many ideas have come and gone, but Project Daedalus was a uniquely ambitious plan from the 1970s that never quite came to be.
Be Smart
What Color is the Universe?
When you stare up at the night sky, you might think that the universe is really black, but that's just because our eyes aren't sensitive enough to see the billions and billions of multicolored stars out there. Ever wonder why certain...
Crash Course Kids
Spaced Out
So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it.
PBS
Extinction by Gamma-Ray Burst
Find out about the last time and the next time the Earth will be hit by a Gamma-ray Burst.
SciShow Kids
Get to Know Your Galaxy!
Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!
TED Talks
TED: How a blind astronomer found a way to hear the stars | Wanda Diaz Merced
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her sight and was left without a way to do her science, she had a revelatory insight: the light curves she could no...
SciShow
A ‘New Neptune’ With Water, and Cyanide in Space
SciShow Space News shares the latest developments from around the universe, including the discovery of water vapor on a new “exo-Neptune,” and cyanide found in the clouds where stars are born.