What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out. Mark ups his backyard obstacle course game to keep ...

Tee times, TV coverage and viewer's guide for the Genesis Scottish Open at The Renaissance Club in North Berwick, Scotland.

Welcome back to SquirrelStampede! Today, we are witnessing a crossover with Squirrels for the ages as we dive into the world ...

Is the Declaration of Independence on display at the National Archives the original or a later copy?

YouTube is partnering with engineer and creator Mark Rober to bring Class CrunchLabs, a free, standards-aligned science ...

Attention Upper Division Undergrads and Grad Students!This year we will celebrate our Seventh class of Ron Paul Scholars and that means if you are a student ...