PBS announced that the first episode of NOVA’s “The Fabric of the Cosmos” will premiere exclusively on the free PBS apps for iPad, iPhone and iPod touch. In fact, they’re already there, with the ...

Plus, get the best of BroadwayWorld delivered to your inbox, and unlimited access to our editorial content across the globe. First, leading up to this year's total solar eclipse stretching from Texas ...

Explore big discoveries that have revolutionized our understanding of the universe. How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how ...

Invisible and mysterious, dark matter shapes the cosmos, but scientists are still trying to figure out what exactly it is.