Hank gives us the skinny on three plans NASA scientists have come up with to save Earth from an asteroid impact. Hopefully we'll never have to use any of them.

This week, Mike Rugnetta re-introduces Herakles, the strong man of Greek and Roman myth. Strongman with a darkside, that is. You'll learn about Herakles' 10 actually 12 labors, the story of his birth, his death, some of his marriages,...

Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!

We’ve been sitting on samples of the lunar surface for decades and, with better technology than when they were taken, we are opening them back up to take another look!

Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.



Watch our new show Paradigms (U.S....

Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and...

It's a rematch Battle of The SciShow Hosts on today's quiz show! Will Olivia be victorious again or will Hank "try those logarithms" and win the day?

Several companies are already working on plans to mine space objects, but who owns what in space?

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Ammonite fossils can be found all over world, but in one place, something happened that turned their remains into rainbow-colored gems that are more rare than diamonds!

SciShow Space takes you through perhaps the scariest part of every space mission -- re-entry. How do astronauts survive the turbulent return to Earth’s atmosphere? Math, y’all!

Why is All Sand the Same?

Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?

Earth's thick crust might one of the reasons our planet can support life. But scientists are looking for something a little more brittle.

Be blown away with this episode of SciShow News as Hank talks about using the power of one of earths most powerful energy sources: Volcanoes!

Happy birthday, Curiosity! Michael Aranda and SciShow News celebrate the first anniversary of the Mars Science Laboratory landing on Mars with 3 awesome discoveries that the universe's coolest rover has made so far. Hints: they involve...

SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.

Cassini is about to take its final dive into the rings of Saturn, and scientists are still debating the status of water on our moon.

Olympic National Park is temporarily closed as Washington, the US, and the world work to mitigate the spread of the COVID-19 virus. We filmed this series in early January and are currently at home practicing social distancing. We hope...

Exactly when and where did life on Earth begin? Scientists have long thought that it emerged three billion years ago in the ocean -- until astrobiologist Tara Djokic and her team made an unexpected discovery in the western Australian...

Stefan and Alexis are headed to Olympic National Park in Washington state to bring you some of the coolest geology stories there. This week, they explore why Mount Olympus should be taller than Mount Everest.

SciShow Space preps you for the Delta Aquarids, a meteor shower, and explains what makes them so unique. Plus, join "aquanauts" on one of NASA's least-known missions, a nine-day tour in its NEEMO undersea laboratory.

If you find a glowing rock, it probably doesn't mean you're the chosen one. If it's one of these five phenomena, it's quantum mechanics, not narrative significance.

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It takes an entire civilization to build a toaster. Designer Thomas Thwaites found out the hard way, by attempting to build one from scratch: mining ore for steel, deriving plastic from oil ... it's frankly amazing he got as far as he...