With a few strokes of a pen, Microsoft’s Steve Ballmer and Yahoo’s Carol Bartz finally signed a deal that will turn Microsoft into the second-largest search company in the world and turn Yahoo into a media-driven advertising broker. Here’s a breakdown of the deal.

The crew of the space shuttle Endeavour is set to land Friday morning in Florida after spending 16 days in space.

A spectacular superyacht has been designed by an internationally-renowned urban planning architect in a very unusual shape — a huge sea creature.

With rumors piling up about a forthcoming Apple tablet, it appears more and more likely that such a device will emerge soon. But what’s still unclear is how this gadget will set itself apart from Apple’s multimedia-savvy product line.

The world’s largest, fastest fully solar-powered boat is being built in preparation for a round-the-world challenge.

Admit it, runners: When you’re on the fifth mile of your fourth run of the week and there’s nothing but you, the summer heat and 5 more miles to go, things can get a bit … boring.

Verizon Communications has had a change of heart about using Wi-Fi to extend its wireless broadband offering as the company announces free access to Wi-Fi hot spots for its Fios and DSL Internet customers.

Truckers who text while driving are 23 times more likely to crash or get into a near-wreck than an undistracted driver, while car drivers face the greatest danger when dialing their cell phones, a transportation study found.

It’s Monday morning. You sign into your Facebook profile to update your status and you start due diligence on your friends’ profiles. You’re looking at photos from the weekend when you see that your girlfriend was tagged in an album of someone who is not your ‘friend.’

Remember Conficker? The hugely talked-about computer worm seemed poised to wreak havoc on the world’s machines on April Fool’s Day. And then … nothing much happened. But while that doom and gloom forecast never came to pass, Conficker is still making some worm hunters nervous.