PetSmart, with its brick-and-mortar allure, sells for $8.7 billion.

Pharmaceutical companies have stayed away from developing new antibiotics even though deaths from drug-resistant infections are rising.

That's a lot of tokens.

Google scoops up the crowd-sourced social mapping app, where users volunteer their location and traffic details. How does volunteer surveillance data compare to the PRISM/NSA variety?

Marissa Mayer is looking to the Tumblr acquisition to help change the DNA of Yahoo, from old and tired to young and hip.

Since becoming Yahoo CEO last summer, Marissa Mayer has embarked on a takeover strategy: Buy companies to get their talent. As Yahoo reports earnings, we find out if it worked.

The company best known for canned and deli meats is taking Skippy off the hands of the huge food conglomerate Unilever for a cool $700 million.

The U.S. shipping giant said Monday it will acquire Europe's No. 2 delivery company, TNT Express, in effort to expand its global reach.

Even after making a $6 billion bid, Google Inc. couldn't hook daily discounter Groupon Inc. into joining its empire last year. But the Intern…