NEW YORK (AP) — Diet Pepsi is quietly changing its sweetener ahead of a major rebranding of the soft drink set for next month. The change comes as PepsiCo Inc. looks to reinvigorate its namesake ...

Pepsi will highlight its Diet Pepsi brand in its Super Bowl advertising with two spots featuring comedian Jay Mohr. The company also has a third spot for Sierra Mist; all three will air in the game's ...

Diet Coke has topped rival Pepsi-Cola for the first time to become the second most popular soft drink in the country behind Coca-Cola. It marks a victory for Coca-Cola Co. as its sodas now hold the ...