Can you make a black hole out of light? Learn about the strange theoretical object called the 'Kugelblitz'.

Hank gives us an inclusive overview of how everything in the universe is thought to have begun, and how cosmologists predict it will all come to an end. Now get happy!

How can we be so sure of the way celestial bodies behave when they're so far away? With the help of some speakers, garbage cans, and springs of course.

How is the chemical energy of gasoline transformed into kinetic energy of a moving car? And where does that kinetic energy go when the car crashes into something and stops moving?

Scientists have thought for awhile that pulsars could be used as a sort of galactic positioning system, and astronomers have published the most advanced topographical map of Titan to date!

According to a new model, days on Earth used to really fly by, and today Pluto has wind-swept dunes made of very weird sand.

Finding a red nugget galaxy is like discovering a time capsule from the early universe.

Roughly 85 percent of mass in the universe is "dark matter" -- mysterious material that can't be directly observed but has an immense influence on the cosmos. What exactly is this strange stuff, and what does it have to do with our...

What really happens when you approach the event horizon of a black hole?

Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?

SciShow Space takes you through perhaps the scariest part of every space mission -- re-entry. How do astronauts survive the turbulent return to Earth’s atmosphere? Math, y’all!

A paper published last week proposed a hypothesis that identified 95% of the missing stuff in the universe, but the headlines have been a little over-hyped.

There's nothing wrong with having your head in the clouds

James Beacham looks for answers to the most important open questions of physics using the biggest science experiment ever mounted, CeRN's Large Hadron Collider. In this fun and accessible talk about how science happens, Beacham takes us...

SciShow Space News revisits one of the biggest (potential) astronomical discoveries of 2014, one that promised to revolutionize our understanding of the formation of the universe. Turns out, we're not quite there yet.

London Bridge has already been rebuilt twice! But what happened to the bridges that came down?

Ever tried to comb a hairy ball? Math says you failed!

Hank explains the science behind recent reports that physics great Stephen Hawking said "there are no black holes." There are. They're just super complicated.

Hank brings us up to date on the latest in the search for the Higgs boson and interviews Fermilab physicist Rob Roser.

In our last list of strange aircraft, we stuck to covering the weirdest jets to take to the sky, but there are plenty of other types of bizarre flying machines out there! In this episode, Hank will tell you about five other unlikely...

Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when...

While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face! Chapters View all...

This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be shorter in length... and longer in length....

Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning...