Google on December 31 will shut down site for GrandCentral, which it acquired and reworked into Google Voice. Users should back up old messages now.

Dwayne "The Rock" Johnson, who plays an astronaut in the new movie "Planet 51," is NASA's latest endorser, reminding people just how useful space travel really is. The Rock? Really?

What will Conde Nast magazines look like once they show up on tablet computers made by Apple, Hewlett-Packard, and others? This video gives you an idea.

Shoppers and retailers aren't the only ones gearing up for the holidays. Criminals are out in full force with plenty of scams to separate you and your money

Mozilla's browser does not efficiently use a computer's CPU and, consequently, can cause overheating problems in some laptops, particularly ultraportables.