Fair warning: After learning about dust mites, you may never want to sleep in your bed again.

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.

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?

We know more about some other planets than we do about the deepest corners of Earth's oceans, and the species we've found there are almost alien. Here's some of the most unbelievable oddities ever observed! Special thanks to the Monterey...

Sci-fi technology is often more fiction than science, but it turns out there are actually some real-world labs that are working on developing force fields!

What if invisibility wasn't just the stuff of epic comic book stories? Is it scientifically possible to be invisible? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...

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.

How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.

While Jupiter is nowhere near massive enough to initiate fusion in its core, there are even more massive objects out there that fall just short of that achievement as well called brown dwarfs. Brown dwarfs, have a mass that places them...

Fabric brighteners can liven up your old, faded clothing. But they don’t actually clean your clothes, and they’re often banned in the military!

You might already know that proteins are a fundamental part of your diet, but they're much more than that.

Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!

Let's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's...

Chak Ek', the morning star, rose from the underworld to the surface of the eastern sea and on into the heavens. His brother K'in Ahaw, the sun, followed. Though Chak Ek' had risen first, K'in Ahaw outshone him, and the resentful Chak Ek'...

The Great Wall of China is a 13,000-mile dragon of earth and stone that winds its way through the countryside of China. As it turns out, the wall's history is almost as long and serpentine as its structure. Megan Campisi and Pen-Pen Chen...

An inside out planetary nebula has given astronomers insight into what might happen in our own solar system someday, and it's that time of year again to search for shooting stars.

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James Webb captures infrared light, which allows us to see billions of light years away. Some galaxies would not be visible otherwise, because their light has redshifted beyond visible light spectrum due to the...

Science Kids Amazing Animal Superpowers V1-0003

Discover the extraordinary capabilities of hummingbirds as they showcase unparalleled feats of flight and visual perception. Witness their remarkable ability to hover in mid-air, fly...

Howcast - Learn how to get ripped abs from expert Skip La Cour with this Howcast bodybuilding video.

Howcast - Learn the top myths and facts about human papillomavirus (HPV) from sexpert Jane Bogart in this Howcast video.

Howcast - Learn how to ride a bike at night from racer Alexander Barouh in this Howcast road cycling video.

Learn to clean your hair dryer filter. You'll extend the life of this handy tool and you'll save money.

Parts of the Americas was treated to a Total Lunar Eclipse (also known as a "blood moon") in March. Credit: NASA/JPL-Caltech