As you watch the results come in and keep track at home, here's an hour-by-hour guide to when the battleground state polls close, the most competitive congressional races, and many of the key ballot ...

The U.S. Senate race in Delaware carries the potential of a historic first for the state's voters and their congressional ...

Democrats and Republicans are battling for control of the U.S. Senate this election. There are 34 Senate seats up for grabs, with about a half dozen of those likely to be decided by tight margins.