Yahoo announced a $1.1 billion deal for blogging site Tumblr early Monday, and said it "promises not to screw it up."

The deal, which had been rumored since last Thursday, will help Yahoo to tap into the younger, active online user base at Tumblr. But...

President Barack Obama will deliver long-promised remarks Thursday explaining the legal framework behind the decisions he makes to use drones against terrorist threats and further detail the administration's counterterrorism policy, according to a White House official.

Forget coffee. Caffeine addicts may soon be able to get their morning fix when they brush their teeth.