All This News

After months of speculation about his health, Apple CEO Steve Jobs announced Monday that his doctors believe a hormonal imbalance is to blame for his alarming weight loss. Attendees at the Macworld Conference & Expo were quick to react.

A new study finds that 54 percent of teens talk about sex, alcohol use, and violence on the social networking giant MySpace -- presenting potential risks even if all they're doing is talking.

One of the planet's most fragile and pristine ecosystems sits atop a bounty of untapped fossil fuels. And the fight between northern nations over who owns those resources may turn out to be the most important territorial dispute of this century.

Tiny diamonds found in the soil are "strong evidence" a comet exploded on or above North America nearly 13,000 years ago, leading to the extinction of dozens of mammal species, according to a study.

Archaeologists have found more than 600 relics from a huge battle between a Roman army and Barbarians in the third century, long after historians believed Rome had given up control of northern Germany. The artifacts are so well preserved that the scientists can already retrace some of the battle lines....

NASA's Mars rovers are celebrating their fifth birthday on the Red Planet -- exceeding their original life span by four years and nine months -- with no end yet in sight to their history-making work.

Many Zune owners successfully revived their failed music players Thursday morning, while others were still unable to overcome a leap year-related glitch that caused thousands of the devices to simultaneously stop working on New Year's Eve.

Your passive-aggressive aunt bought you a Match.com subscription for Christmas. While your first impulse was to hit her with a brick, you've always been curious about online dating. "What the heck?" you figure. "I'll write an ad and take a look around."

Yahoo and Intel built their success upon widespread use of personal computers, but the two companies hope products to be shown at the Consumer Electronics Show next week will mark the beginning of their Internet-fueled expansion to the world of TV as well.

Always short of time? Not enough moments in the day? Tonight you'll get an extra second to enjoy 2008. Use it wisely; perhaps an extra long smooch is called for.