Those bright spots on Ceres? We've got some new insight into what they might be! Also, the Geminids meteor shower is coming up and will peak on December 13-14.

Astronomers discovered something cool about an object in the asteroid belt (2006 VW139/288P), and the European Space Agency is conducting a bed rest study that could help us get on our way to Mars.

Venus is too hot, Mars is too cold, and Earth is just right, says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life -- and why...

It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.

Ever wondered why poop floats? Turns out it’s not because of fat, like you may have heard.

With acidic puddles, lava lakes, and one of the most important early hominid discoveries, the Danakil Depression is home to all of the extremes.

Hank sets the record straight on some of the findings of NASA's GRACE mission and how they relate to predictions about sea level rise and climate change.

This week on SciShow news Hank explains what Curiosity has found, . . .water on Mars!

Scientists first saw patches of ice on Mercury 20 years ago, and that discovery raised a lot of questions: How could ice survive on one of the solar system’s hottest planets, and how did it get there in the first place?

If you’ve been to a sporting event with a large number of people, you’ve likely seen, or even been a part of, “the wave.” But did you know that there are little fishies who do a version of the wave not for fun, but for survival?

What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which...

A lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this...

Explore some examples of specialized plant and animal cells with the Amoeba Sisters! Video explains how specialized cell structure suits their function. Table of Contents: Intro 00:00 Specialized Cell Defined 0:26 Animal and Plant Cells...

SciShow Space shares the latest news from space research, including the first definitive detection of water on an exoplanet, and a new theory for how we should search for alien civilizations.

Squeaks almost lost a balloon outside, but what would have happened to it had it floated away into the sky?

In 1998, aircraft designer Paul MacCready looks at a planet on which humans have utterly dominated nature, and talks about what we all can do to preserve nature's balance. His contribution: solar planes, superefficient gliders and the...

Most of us want to do the right thing when it comes to the environment. But things aren’t as simple as opting for the paper bag, says sustainability strategist Leyla Acaroglu. A bold call for us to let go of tightly-held green myths and...

Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way - as tiny floating larvae! These babies are capable of drifting thousands of miles on ocean currents, far from the reefs where they were born....

The longest recorded case of hiccups lasted for 68 years - and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these "hics"...

As if koalas could be any more adorable, they also tend to spend a lot of their time hugging trees. But why? Quick Questions has the answer!

Your teeth contain traces of strontium isotopes that can reveal where you lived while they were forming.

What was that giant swoop on Venus? And SpaceX continues to move forward.

Extreme weather sometimes happens in very specific areas thanks to extreme surface temperature differences.

Not everyone gets a winter as cold (or at the same time) as we do at SciShow, but no matter where you live, you may have wondered why venturing out into the cold often makes you have to pee more often.