One of the earliest timekeeping devices is the sundial, which consists of a pillar (called a style) or other object that casts its shadow across a dial with hour markings on it. The style is aligned parallel to the earth's axis. As early as 3500 B.C.,...

The sundial counts only the bright hours....

A sundial is a device that measures time by the position of the Sun. The most commonly seen designs, such as the 'ordinary' or standard garden sundial, cast a shadow on a flat surface marked with the hours of the day. As the position of the sun changes,...

The father of a man killed when hijacked Flight 93 crashed in Pennsylvania on Sept. 11, 2001, wants his son's name withheld from a victims memorial because of renewed concerns that its design is centered around Islamic symbolism.Tom Burnett Sr. served on a jury that...

Mel Gibson exchanged angry words with a university professor who challenged the accuracy of his film "Apocalypto" at an on-campus screening. Gibson was answering questions from the crowd at California State University, Northridge, Thursday night when Alicia Estrada, an assistant professor of Central American studies,...

Mel Gibson exchanged angry words with a university professor who challenged the accuracy of his film "Apocalypto" at an on-campus screening.Gibson was answering questions from the crowd at California State University, Northridge, Thursday night when Alicia Estrada, an assistant professor of Central American studies, accused...

Survivors of firestorms that destroyed more than 2,000 homes in Southern California found reasons Sunday to be thankful even as the damage toll mounted and firefighters worked to contain blazes.Fire officials kept an eye on warm, dry weather that moved in behind a moist, tropical...