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.

Corals, big mammals and many tropical species could all go extinct in the not too distant future, predict scientists who are attempting to forecast the fate of today's animals by studying what happened to those in the distant past.

Ants in your pants? That's nothing compared with ants up your snout. And that's what elephants in the African savanna must contend with when trying to snag a meal from a certain type of acacia tree.

Gilligan might have gotten off that island a lot sooner if shape-shifting robot planes had been around.

In a lawsuit filed against the world's largest social network, Maryland resident Karen Beth Young claims Facebook disabled her account the day after she launched a petition page to raise the friend limit.

As of today, BlackBerry owners can download the Starbucks mobile app — just like those snooty iPhone owners.

A group of panda cubs are attending ‘panda school’ at a China panda reserve where they are being taught how to climb. TODAYshow.com's Dara Brown reports. (Other)

It will be bon appetit in orbit for some lucky astronauts who will soon savor a space meal of short ribs dreamed up by a contestant on television's "Top Chef."