Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!

This week, researchers reveal the single most important influence on music since 1960. Also, turns out that sleepwalking and sleep terrors are genetically linked.

We don't need a time machine to learn from the past (but let us know if you find one)! Air bubbles trapped in ice for millennia and ancient pollen grains can tell us a lot about climate shifts hundreds of thousands of years ago!

You need it, you love it, you probably live on it: it's land! But have you ever thought about where land even comes from?

You may have read that 2018 is looking to be a bad year for earthquakes, but Hank is here to offer you some assurances.

Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe.

Flanked by two powerful nations, the English Channel has long been one of the world’s most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the...

A waterfall that seems to just disappear into the ground sounds pretty unbelievable, but scientists are still bewildered by the mysteries of Devil's Kettle Falls.

Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules...

Scientific discovery often dabbles in the extreme, challenging and exceeding what we think of as "possible." And this year's discoveries were no different! We present to you three scientific discoveries made this year that set out to...

Earlier today, mission specialists with NASA's Mars Science Laboratory announced that they have found, for the first time, evidence of an ancient environment on Mars that could have sustained life. Hank tells us the specifics in this...

When you think of animals with awesome abilities, fish usually aren’t the first thing that come to mind, but there are a few species that have taken their adaptations to the extreme!

Jessi and Squeaks explore nature’s way of letting off a little steam.

I smell a science storm a-comin'!!

For upside-down mirrors, super hot volcanic chimneys, and neon rocks with living microorganisms, look no further than the Guaymas Basin in the Gulf of California.

If you live in the U.S. you may have heard that the Pacific Northwest is supposedly overdue for an earthquake of colossal, devastating proportions. If that’s true, how can we better understand the threat and be prepared for the day it...

Mars is covered with the remnants of long-dead volcanoes, but one of them might have been alive surprisingly recently.

In this video Paul Andersen describes several types of evidence for common ancestry. This evidence is contained in the fossils, embryos and molecules of living organisms. Even though life on our planet is incredibly diverse there are...

Modern technology can make us forget how cruel the ocean once was to seafarers. Even with these new technologies, some parts of the sea are still just plain dangerous. Here are a few places on Earth where ships have met the briny depths.

Learn about Mary Anning, one of England's most important contributors to the field of paleontology.

Hank delivers news of the future, with his rundown of the top space missions scheduled for 2014. Learn about upcoming launches to a nearby asteroid, a comet as it approaches the sun, and the first test flight of NASA's new Orion crew...

SciShow explores two celestial mysteries: the origins of a meteorite that crashed into a house in California, and who's releasing chemicals into the atmosphere that were banned more than 25 years ago?

Have you ever looked up at night and seen a streak of light flash across the sky? Some people call that a "shooting star," but it's not actually a star at all! Join Jessi and Squeaks to learn what shooting stars really are and how they...

Plutonium powered robot car! With a laser gun! That's (kind of) what's hurtling through space right now as part of NASA Mars Science Laboratory heads for the Red Planet. Hank walks you through this historic mission, with the help of some...