Maybe you'd like to just hear about one topic for a while. We understand. Thus, we've created our Compilation Series. In this video, we look at some of our videos about Space. Sabrina talks to us about the Sun, stars, the universe, and...

In March 2025, astronomers announced the "largest cosmic structure discovered to date". They called it Quipu. And Quipu is just the latest entry in a list of structures that are too big for cosmologists to explain without revisiting...

No, technically Earth doesn't orbit the Sun. Yes, technically sound can travel through space. Over the years we've built up a lot of myths and misconceptions about astronomy. But of course some are more flat-out false than...

Have you ever wondered why you look up and see a dark sky at night?

Where does all the stuff in the universe come from?

What challenges lie ahead of a staggering 12,700-kilometer paddle around the entire continent of Australia? Crocodiles and sharks were just the beginning, says Ironwoman Bonnie Hancock. Reflecting on her remarkable feat of becoming the...

If you've spent enough time on the internet, you may have stumbled upon the fact that sharks are older than Polaris, aka the North Star. But are they really? It turns out the truth is a little more complicated.

The earth is always moving, and our view of the night sky is slowly but surely changing.

Sometimes looking into a pool of a toxic liquid holds the secrets of the universe–or maybe just this one time.

The Most Unbelievable Image Ever Captured by Hubble Space Telescope

It never gets dark anymore. Not REALLY dark, anyway. Not like it used to. Light pollution is not only making it more difficult to see the night sky, but it's also affecting our health. For the past century and a half, since the dawn of...

Optical illusions are fun, but they can also teach us a lot about how our brains work. In particular, how our brains accomplish the incredible feat of constructing a three-dimensional reality using nothing but 2-D images from our eyes. A...

Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...

Squeaks and Jessi are having all of their friends over for Thanksgiving, so they’re looking back at videos they made together so they can figure out what food to make!

Today, Jessi and Sam the Bat take a look at constellations. Humans have been looking up at the sky for a long time and seeing all kinds of pictures hidden in the stars!

The universe that we know, with its luminous stars and orbiting planets, is largely made up of elements we can't actually see -- like dark energy and dark matter -- and therefore don't fully understand. Theoretical physicist Chanda...

What weird worlds are these video games creating?

It's been a long road to the discovery that Earth is not the center of the Solar System, the Milky Way, or the universe; great thinkers from Aristotle to Bruno have grappled with it for millennia. But if we aren't at the center of the...

Some of the biggest evolution questions finally answered.

Where does all the stuff in the universe come from?

The Crab Nebula is one of the most studied things in the sky, but it took glimpses through various wavelengths of the electromagnetic spectrum to get a full picture of what’s hiding inside!

These three stars can easily be seen with the naked eye, but it took some fancy telescopes for us to realize how weird they really are!

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20% OF K
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Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new...