The human mind has always fascinated scientists, but the quest to understand psychological behavior has led researchers down some disturbingly dark paths.

Add Yahoo as a preferred source to see more of our stories on Google. Feb. 16—Note to self, Albuquerqueans: If you hear a big boom, followed by a big fireball, then see some smoke in the coming weeks, ...

Several years ago, while drug overdose deaths skyrocketed nationwide, Oregon decriminalized many illegal drugs. It was called Measure 110, and after voters gave approval, the new rules went online in ...

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...

New York is running one of the country's most unusual anti-poverty experiments, quietly dropping a $12,000 digital asset into the wallets of a small group of residents with no work requirements or ...