Around two dozen states regularly elected both a Republican and a Democrat to the U.S. Senate in the 1970s and 1980s. Only ...

While majority control of the Senate was called on Wednesday, outstanding races are yet to be called. Here's where to follow ...

Democrats currently have the majority in the Senate. Democrats hold 47 of the chamber's 100 seats. Republicans have 49 seats.

U.S. Senate Republicans elected John Thune to lead the chamber next year, opting for a well-regarded insider and shrugging ...