Roger Federer and Elmo from Sesame Street seem to disagree on the letters of the alphabet in a Super Bowl ad for ON running shoes.

Elmo has been around a long, long time, and he's one of the few characters that all of the generations that have come forth since the 90s know and love.

Footage from a security camera at Ronald Reagan Washington National Airport in Arlington, Va., shows an American Airlines jet colliding with an Army helicopter during landing, Wednesday, Jan. 29 ...

The carrier was initially skeptical about the idea of introducing a premium economy cabin, stating that its economy seats were more than adequate and premium customers had the option of flying in its ...