Do we need NASA?

Almost 50 years after the space agency was founded, is it still worth spending $17.6 billion in taxpayer money a year to keep it going?

Featured Video

Apple TV stretches Siri voice search in beta update

A developer preview of an Apple TV software update reveals new perks. Meanwhile, Twitter puts video ads on top of your feed and assembles a new troll-fighting task force.

by Bridget Carey