Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird...

Where Was The Big Bang

It has NO EDGE. And NO CENTER... or does it?

Hank explains how quasars and blazars are both the same thing - just oriented differently in respect to us - and how that impacts the way we perceive them and how it also effects the ways we can study them.

Pods of killer whales inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarchs can live 80 years or more and their...

The brain is what makes us function, yet we understand so little about how it works. We are learning more about the brain by using new technology to monitor epilepsy patients during surgery. Moran Cerf explains the process doctors use to...

There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!

Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is "Big History": an enlightening, wide-angle look at complexity, life and...

Looking back over his long career, architect Moshe Safdie delves into four of his design projects and explains how he labored to make each one truly unique for its site and its users.

ESA's newest printer at the DLR German Aerospace Center in Cologne,

The effects of dark matter on galaxies is a mystifying and difficult thing to study, but the Milky Way's galactic bar might present an exciting way to quantify how much of it exists!

Scientists have discovered over 5,000 exoplanets in the last few decades, but where are the Exo-Earths?

Some scientists are hoping to use our motion through the galaxy to help detect some of the most elusive particles of all: dark matter.

Find out what kinds of things are lurking near the center of our galaxy!

Hank debunks several apocalypse theories that predict Earth's demise in 2012.

Alberto Cairo's clinics in Afghanistan used to close down during active fighting. Now, they stay open. In this powerful talk, Cairo tells the moving story of why -- and how he found humanity and dignity in the midst of war.

You may have seen rock sculptures seemingly defying physics in your newsfeed, but what's actually happening?

There might be a galaxy made mostly of dark matter orbiting the Milky Way!

This week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem...

Computer models are helping scientists on the hunt for small black holes and new data is giving us a better understanding of the universe’s largest explosions.

Kindness can go a long way when it comes to reshaping a business. Having saved a fashion company from the brink of bankruptcy, entrepreneur James Rhee shares the value of investing in a culture of compassion at work -- and shows why we...

SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we've all learned to live with it in harmony.

The scene of the three wise men offering gifts to a newborn Jesus was widely painted during the Renaissance era, so how did painter Sandro Botticelli create a version that's still well known today? James Earle describes who and what set...

Although much of the Big Bang Theory is widely accepted to be true, it only gets us part of the way there. Observable truths such as the CMB and the flatness of our universe reveal that there is no way the universe has been expanding at...