Fermi bubbles are made up of gamma rays, but where they came from is still up for debate. Did they come from a star-forming region, or the black hole at the middle of our galaxy?

Making a black hole in a particle accelerator sounds… a bit dangerous, to say the least, but scientists think that it could be possible! Here's why it probably wouldn't be dangerous -- and might even teach us something.

We pretty much know for sure that the universe was once extremely small, and extremely hot. And we know that something set it in motion, expanding rapidly and continuing to do-so today. But the actual moment of 'the Big Bang' is still a...

How do we know how old the Earth is? Learn how we date rocks, the moon, and planets.

Food allergies aren’t exactly rare, but previous attempts to prevent them may have actually made them more common than they would have been otherwise.

Not too long ago, our early human ancestors were under constant threat of attack from predators. And it turns out that this difficult chapter in our history may be responsible for the adaptations that allowed us to become so successful.

Air pollution knows no borders -- even in your own body, says public health expert María Neira. In this startling talk, she describes how the microscopic particles and chemicals you breathe affect all your major organs (including your...

There are thousands of mental health apps out there claiming to do everything from easing insomnia to treating PTSD symptoms, but are those really effective?

For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.

With the amount of fake and doctored photos and videos out there, how can we know what to trust? Most of us are used to thinking that "seeing is believing" but as technology makes it easier and easier to spread unreliable content online...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Our fingerprints are what make us unique -- but they're also home to a world of information hidden in molecules...

How do you know when you've "discovered" a particle? What do we mean by "discovery"?

You have more in common with a Neanderthal than you might think. Michael Aranda explains our latest finds in this episode of SciShow!

Venus was once thought to have been very earth-like and pleasant, but now it's considered a harsh wasteland that we wouldn't even send a robot to.

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

Our unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments.

The 40 or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture? Is one...

Until recently, fossil evidence for modern humans has only gone back 200,000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300,000 years. Chapters View all Homo sapiens 0:09...

In 1960, Frances Kelsey was one of the Food and Drug Administration's newest recruits. Before the year was out, she would begin a fight that would save thousands of lives - though no one knew it at the time. Andrea Tone explains how...

Today we’re going to focus on how to tell good evidence from bad evidence and maybe importantly, how to identify “Fine, but that doesn’t actually prove your point” evidence - the stuff that the Internet is built on.

Two new studies challenge what we thought we knew about the first humans in the Americas, sending the archaeology community buzzing. Could people have been on these continents 10 to 15 thousand years earlier than archaeologists...

Every so often, a headline pops up comparing cheese to cocaine. The reality of the situation is far more complex—and a lot less dire—than these articles might suggest.

Vikings, volcanoes, and sheep don’t immediately seem like they should all be connected, but this unlikely trio is actually informing our knowledge of global history.

Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.