TED-Ed
TED-Ed: The story behind your glasses - Eva Timothy
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
Crash Course
Jupiter's Moons
Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any...
SciShow
The Two-Faced Role of Planetary Magnetic Fields
Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...
SciShow
How Jupiter’s Moons Showed Us the Speed of Light
Light travels through space as fast as anything in the universe possibly can, but before scientists could figure out light’s speed, they had to figure out whether that speed was even finite.
SciShow
Jupiter's Moons May Keep Each Other Warm
As small as Jupiter's moons are in comparison to the giant planet, they may actually have an important role to play in keeping each other warm, heating the moons enough to have liquid oceans!
SciShow
Earth Doesn’t Orbit the Sun
Understanding gravity can sometimes be a bit of a balancing act, much like the fundamental laws of physics and how they inform what it is exactly that Earth orbits.
SciShow
What Would Happen If the Planets Lined Up?
Planetary alignments: They're the favorite astronomical scenario of kooks, con artists, and Hollywood producers everywhere. But has it ever happened? And what would it do to Earth if it did?
SciShow
Stardust Discovery, and 2 Planetary Conjunctions
SciShow Space shares the latest developments from around the universe, including news about the first material ever collected from outside the solar system, and a backyard astronomers’ guide to two upcoming planetary conjunctions.
SciShow
Pluto: Still Not A Planet
The ESA is working on a 'fresh-squeezed' spacecraft that will explore Jupiter's moons, and the New Horizons team makes a case for Pluto (and many others)!
Crash Course
Exoplanets
Today Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. The most successful method is using transits, where a planet physically passes...
SciShow
How Other-Worldly Auroras Help Us Explore the Galaxy
Earth’s northern and southern lights are some of the most magical sights on our planet. But they’re not unique to Earth, and aside from being beautiful, auroras can also give us unusual insights into these other worlds.
SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.
SciShow
The Hottest Exoplanets in the Universe
With exoplanets, often we want to know if they are Earth-like and whether they might host life, but we can also learn a lot from planets that are nothing like Earth.
SciShow
How the US Launched Its First Satellite
60 years ago, in January 1958, the United States launched its first satellite, Explorer 1.
SciShow
Helium
Hank talks about everyone's favorite squeaky-voice gas and why it's important for more than party balloons.
MinuteEarth
Why So Many Meteorites Come From The Same Place
Because of space physics, one faraway asteroid is likely the progenitor of almost a third of all the meteorites on Earth. ___________________________________________ If you want to learn more about this topic, start your googling with...
SciShow
The Asteroid Belt: Not What You Think!
Buckle up for a trip to the asteroid belt -- though it's not nearly as dangerous out there as you might think. But there's a LOT waiting to be discovered, including some crucial clues about the formation of the solar system itself.
SciShow
The James Webb Space Telescope Is Assembled! Finally! SciShow News
We have some good news this week for all the James Webb fans out there, as well as a look a some creative chemistry that may help us find the first solid evidence of an exomoon!
TED-Ed
TED-Ed: There may be extraterrestrial life in our solar system - Augusto Carballido
Is there extraterrestrial life in our solar system? Or are we alone? Take a journey to the ocean worlds on Jupiter and Saturn to investigate the possibility. -- Deep in our solar system, a new era of exploration is unfolding. Beneath the...
SciShow
New Watery Discoveries on Enceladus and Europa!
These days, it seems like we're finding water all over the solar system. Still, it takes a lot more than a little H2O to support life.
SciShow
Rogue Planet Discovered!
Today Hank brings us the news of a unique astronomical discovery - a rogue planet. He also allays our fears of an apocalyptic collision with Earth. So, this new planet is awesome, but it needs a different name - CFBDSIR...
Crash Course
Introduction to the Solar System
In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.
SciShow
New Jupiter Weirdness From Juno
Astronomers have announced the Juno space probe’s first findings from Jupiter!