For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

LOS ANGELES (KABC) -- Southern California will continue seeing cooler conditions this Monday before a gradual warm-up by the weekend. Los Angeles and Orange counties Monday will see morning clouds ...

The humerus is your upper arm bone. It is the longest bone in the upper part of your body and is connected to many important tendons and ligaments. The top of the humerus is part of the shoulder joint ...