The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.

Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?

One of the toughest materials known to science is made not by humans, but by nature... and it's inside of oysters.

SciShow’s hot take: Peppers don’t produce that spicy goodness for the reason you think!

If you’ve ever been scratching a dog and seen them do the kicky leg thing, it’s truly adorable. But it might not necessarily be a feel-good thing.

2018 was full of exciting discoveries and incredible advancements in the field of science. So today, we are taking a look back at 2018 to highlight three more great science news stories!

Does bee venom therapy work? Stings cause pain, itching, or even death in some people, so how might potential benefits outweigh the risks?

Plants are finding their ways into caves, and it's all our fault.

Once upon a time, we coexisted with other human species. And there’s one place on Earth that may have taught us more about that than any other single site.

All plants get energy from the sun, but the giant hogweed gets another, dangerous superpower from the sun's light: the ability to burn skin with its sap.

Dickinsonia might be the oldest known member of the animal kingdom, and the origin of birdsongs from the syrinx might be a little less mysterious.

Luckily, we live in a time where we don't have to worry about smallpox anymore. It's a horrible disease, but through smart vaccination techniques, we took it from killing millions worldwide, to being eradicated from the planet!

Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.

Some animals live in pretty extreme places, but the lava cricket might be the most hardcore of them all. These crickets have only been observed right after volcanic eruptions, and scientists have questions, like “How does a flightless...

Do you like drinking milk or chatting with your friends? Well, you can enjoy those because of the evolution happened over the past million years, and we are still evolving. Let's find out what will we be like in the future with us!

We were probably all told to quit picking our noses at one point, and by most standards, this is good advice. But if you were a toad, it might come in handy to scratch away blowfly eggs.

On New Year's day, we said goodbye to George the Snail, marking the first extinction of 2019, and the way things are looking, it won't be the last.

Carbs are pinned to be the villains in many diets, but those poor guys are just misunderstood.

When you think about the impact of climate change on the circle of life, you likely picture polar bears or Bengal tigers struggling in new conditions. But the impacts on the world go all the way down to the tiniest creatures who do some...

Thanks to the Monterey Bay Aquarium and their research and technology partner MBARI for partnering with us on this episode of SciShow. They worked together on an exhibition, “Into The Deep: Exploring Our Undiscovered Ocean,” to give...

During long, cold winters in medieval Europe, church organs grew gray, sickly-looking circles that spread over their pipes. People back then believed that this was the work of the devil, but as it turns out, it’s just some pretty simple...

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Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things!

There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?