Many Worlds interpretation of quantum mechanics proposes that every time a quantum event gets decided, the universe splits so that every possible outcome really does occur. But where exactly are those worlds, and can we ever see them?

Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different –...

Singing in the shower seems to sound better, but what is actually happening to the sound waves in that soapy, tiled room?

We’ve detected seismic activity all around the solar system, from earthquakes to moonquakes, marsquakes to venusquakes. But the most dramatic quakes we know of actually happen on stars!

From what we know about Titan, it seems like its atmosphere should have disappeared millions of years ago. So, why hasn’t it?

The auroras are one of earth's most dazzling displays, but thanks to Joan Feynman we know that they're so much more.

Reuben Margolin is a kinetic sculptor, crafting beautiful pieces that move in the pattern of raindrops falling and waves combining. Take nine minutes and be mesmerized by his meditative art -- inspired in equal parts by math and nature.

I'm not saying it's aliens....and it's probably not aliens. Also, an update about the most recent SpaceX explosion!

Singing in the shower seems to sound better, but what is actually happening to the sound waves in that soapy, tiled room?

Mountains take can take billions of years to form, but the Adirondack Mountains got ahead by recycling itself.

If you've ever been pregnant, or been around a pregnant lady, you know that the agony that is morning sickness -- and it's not just something that happens in the morning! SciShow explains the many theories about what causes it.

The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because everything in the universe behaves like both a particle and a wave at the same time....

This video was made in collaboration with the US Census Bureau and fact-checked by Census Bureau scientists. Any opinions and errors are my own. For more information,