It was late at night, when most tomfoolery breaks past the barriers of decorum. Sean Brock, the giddy, geeky boy genius of the chef world, was wearing a creepy Halloween mask, sneaking up on people at ...

The human family tree is gaining new branches. Researchers have found in modern humans' DNA signs of two previously unknown ...

Six months after Nancy Guthrie vanished from her Tucson-area home, the search continues as her family renews their desperate ...