The tradition of sending paper valentines is traced to a young woman in the mid-1800s who decided to make them her business. ->

See how the city of tomorrow could be made to feel like the village of the past.

This morning, a horse-headed jogger was captured on camera and became a sensation. This afternoon, the video is explained.

Although the idea of working from home may conjure up images of sitting in your pajamas with coffee in hand, research suggests it's a difficult balancing act.

Friday is (finally) here, and while the weekend may be mostly about fun and games for many, there is real science behind it, too. First, the obvious: People feel better when the weekend arrives. If you're anything like me, your shoulders feel a little lighter, the air smells a little sweeter, and t...

Mayer is heading back to work a week or two after the birth of her first baby to work on her second: Yahoo.