U.S. forces battled insurgents loyal to Shiite cleric Muqtada al-Sadr in the Baghdad slum of Sadr City on Tuesday, in clashes that killed 34 people and wounded 193.

A recent transmission from outer space is raising some eyebrows. Scientists say it could be, just possibly, communication from an alien civilization.

We speak to author Thomas Barnett about his new book, "The Pentagon's New Map."

We speak to author Thomas Barnett about his new book, "The Pentagon's New Map."

Polls show President Bush opening up a 2-digit lead against challenger John Kerry.

Medicare premiums for millions of elderly and disabled Americans will rise this year by 17 percent, or almost twelve dollars a month, the largest increase in the program's 40-year history.

Discussion of a study that says teens who watch sexually explicit television programs may be encouraged to have sex earlier in life

Dive into "Hotel Pool," an experimental dance in a hotel swimming pool.