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

Twitter flips order of some tweets, users flip out

Changes to Twitter's timeline could make the social network more appetizing to some -- and confusing to others. Meanwhile, LG teases an "always-on" screen for the G5 phone.

by Bridget Carey