Tom Shannon shows off his gravity-defying, otherworldly sculpture -- made of simple, earthly materials -- that floats and spins like planets on magnets and suspension wire. It's science-inspired art at its most heavenly.

Other worlds don't seem very welcoming to us Earthlings, and it can be hard to practice our off-world explorations from millions of kilometers away. But Earth also has its fair share of hostile places that we can use to prepare for those...

In the 1700s, sailors used sextants to navigate the seas. Centuries later, these old-timey tools saved the day on not one, but two of the Apollo missions!

You know how moths like to fly into lamps or crawl all over your tv screen at night? Why do they do this?! The answer is more complicated than you might think

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.

Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will leave you wanting to grab a piece of paper...

SciShow Space explores the origins of Earthquakes that aren't on Earth. Moonquakes and Marsquakes can happen, too!

What the astronauts felt when they saw earth from space changed them forever. Author and artist Benjamin Grant aims to provoke this same feeling of overwhelming scale and beauty in each of us through a series of stunning satellite images...

The software running Apollo's guidance computers was literally woven by hand by "little old ladies."

Conventional vaccine testing is a slow, years-long process. As thousands of people continue to die each day from COVID-19, bioethicist Nir Eyal proposes a radical idea that could dramatically accelerate the vaccine development timeline:...

It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?

This week on SciShow Space News, Cassini visited Saturn's moon Dione for the last time, and two little shepherd moons may have helped form some of Saturn's rings.

On August 21, 2017, the United States will experience its first total solar eclipse since 1979! If you're in the right place at the right time, you're in for a spectacular show!

You can break the speed of light in your back yard! (but don't worry, Einstein is still right)

In this episode of SciShow Kids, Jessi talks about solar eclipses, and in particular, the solar eclipse of 2015! Jessi will show you how eclipses occur and where the best places to view the eclipse are.

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.

We start this new decade knowing that it is the most consequential period in history, says Prince William, The Duke of Cambridge. Inspired by President John F. Kennedy's "Moonshot," he calls on us all to rise to our greatest challenge...

Hank has good news about NASA.

New Horizons is teaching us all about Pluto! And it's definitely not what we were expecting.

Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we can calculate their rates, using the distance they traveled and the time they took....

Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size -- so why do we perceive them differently? Scientists aren't sure, but there are plenty of intriguing...

Did you know there will be a lunar eclipse this week? Jessi and Squeaks explore what causes lunar eclipses and why they can make the moon look red!

How Do Greenhouse Gases Actually Work?

We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own?