The cost of Super Bowl commercials continues to rise. Here's a look at how much a 30-second ad is this year.

Super Bowl Sunday is one of the greatest days of the year — and not just because of football. It also serves as one of the best days for food and all-around entertainment. With well over a hundred ...

Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For decades, scientists puzzled over this D' layer. Now, groundbreaking ...