Samsung Electronics Co. on Thursday unveiled a new tablet PC named Galaxy Tab as the latest device meant to rival Apple Inc.'s popular iPad.

Don't disconnect your printer just yet. While some tech-savvy passengers may be ready for it, experts say paperless boarding won’t be successful until it is both reliable and universal.

Science editor Alan Boyle's Weblog: British physicist Stephen Hawking's latest book is already making waves with his observation that science can explain the universe's origin without invoking God.

This dramatic tale of a Facebook stalker hacking and harassing young girls on Facebook speaks to a couple of issues regularly faced in this brave new world of social media — the dangers awaiting children online and Facebook's oft-complained-about lack of customer service.

Science editor Alan Boyle's Weblog: Teen-agers from around the country put lunar rover prototypes through their paces in the MoonBots challenge, a spin-off of the $30 million Google Lunar X Prize program

Brain structures directly related to the human brain have just been identified in a marine ragworm, according to a paper published in the latest issue of the journal Cell.

A booming market of tweens, ages 8 to 11, is changing the landscape of online games.

Hubble Space Telescope observations of the aftermath of a giant star explosion are offering a new glimpse into the events that follow the collapse of a massive dying star.