PBS
How Astrophysics Can Literally Save the World
Giant space rocks are definitely going to hit the Earth again. We actually do know how to deflect them, but only if we find them and correctly assess their risk. But the solar system is a chaotic place. How is it even possible to tell if...
SciShow
Earth's Largest Crater Is Hiding in Plain Sight
An asteroid nearly twice the size of the one that killed the dinosaurs left a record-setting crater in South Africa. If you look closely, you can still see it today, 2 billion years later. Hosted by: Jaida Elcock (She/her)
SciShow
Earth Had A Ring & It Changed Life Forever
It may seem like Earth isn't as well-decorated as its ring-bearing neighbors in the solar system, but new research suggests that may not always have been the case. Not only did our planet maybe once have a ring, but our ancient bling may...
SciShow
A Sugar-Coated Asteroid May Have Made All Life Possible
Arrokoth, an asteroid in the Kuiper Belt, is the most distant object ever explored by the New Horizons spacecraft. And it's covered in sugar. Here's why that might be important for understanding the nature of life itself. Hosted by:...
SciShow Kids
The Very Big Story of the Dinosaurs | SciShow Kids Compilation
In this SciShow Kids compilation, Jessi and Squeaks learn all about dinosaurs—when they lived, how they died, and how we know so much about them.
SciShow
The Last Living Thing Won't Be a Cockroach
There are several ways the world could end, and scientists have given a lot of thought to what the last living thing will be.
SciShow
Cosmic Tails (That Aren’t From Comets)
Comets are famous for having space tails. But they're not the only ones! Asteroids, planets, and even stars can rock tails of their own.
SciShow
The Rarest Objects in The Solar System Are from...Elsewhere...
In 2017, astronomers discovered 'Oumuamua — the first definitive interstellar visitor to our solar system. But definitive evidence of space rocks that don't just visit but join our solar system is a little more elusive.
TED-Ed
TED-Ed: What really killed the dinosaurs? (It wasn’t just the asteroid) | Sean P. S. Gulick
Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands...
SciShow
The Asteroid That Nearly Swallowed OSIRIS-Rex
It's always an asteroid heading straight toward us that we worry about, never what happens to us when we head straight toward the asteroid. OSIRIS-REx's experience with Bennu tells us it's worth a thought.
SciShow
Hayabusa: The Artificial Meteor Launched From An Asteroid
After we retrieved samples of the moon, it was quite a while before we could land on anything else and bring bits of it back home.
SciShow
How Distant Stars Let Us See the Solar System Up Close
Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.
SciShow
The Ominous Reason Phobos Has Lines on It
Mars’s moon, Phobos, is striped with grooves all across its surface. But if one theory about where they came from is true, does that mean this moon might be on its way out?
SciShow
The Spacecraft That Wasn't Designed To Land, But Did
Many space missions take billions of dollars and decades of work to get develop, but 25 years ago this spacecraft delivered stunning results on a shoestring budget and a minimal development timeline.
SciShow
Early Earth Microbes May Have Eaten Raw Meteorites
Is it possible that life on earth began with an out of this world rock buffet?
SciShow
Earth’s other moons
You're familiar with the Moon, but it's not only our moon, depending on your point of view.
SciShow
Did Earth's Continents Come from Space?
Earth didn't always have the land beneath your feet, but what might have caused it to form is a bit of a mystery.
SciShow
What's Going to Space in 2023?
2022 was a pretty exciting year for space science, but what news might we expect in the coming year?
PBS
100 Years of Relativity + Challenge Winners!
The results are in - on this weeks episode of Spacetime we reveal the answer to our Asteroid Challenge, as well as our T-shirt winners! Check out who saved the world!
PBS
Can We Survive the Destruction of the Earth? ft. Neal Stephenson
What do we do to protect ourselves from extinction level events? And what if some of those events are unavoidable? Can we survive adrift in space? Find out in this episode of Space Time.
PBS
Where Did Water Come From?
Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.
SciShow
Why Are Craters Always Round?
If you take a look at all the impact craters in our solar system, the vast majority are nice, neat circles. But why? Meteorites and asteroids strike planets and moons at all sorts of angles. Where are all the elliptical craters?
SciShow
If the Asteroid Hit 10 Minutes Later...
If the 10 kilometer wide asteroid that hit the Earth 66 million years ago hit just a few minutes later, would the outcome of the living creatures here have been different?
SciShow
Origins of Intolerance
Hank's news this week informs us on a couple of crazy science experiments, updates us on some earlier topics (dangerous asteroids and ancient phallic rock art), and briefs us on a new study that seeks to find the evolutionary origins of...