Senate Tracker

Republican Terri Lynn Land and Democratic U.S. Rep. Gary Peters are vying to fill the seat being vacated by retiring Sen. Carl Levin.

07:09Oct 30, 2014

As longtime Sen. Tom Harkin retires, Republican State Sen. Joni Ernst and Democratic Congressman Bruce Braley are vying for the seat.

05:54Oct 22, 2014

Republican candidate Mike Round's is losing his safe margins in the race for South Dakota's senate seat.

07:26Oct 17, 2014

Senate incumbent Lamar Alexander faces lawyer and Democrat Gordon Ball.

07:26Oct 7, 2014

In Wyoming, incumbent Republican Senator Mike Enzi is running for a fourth term.

06:19Oct 1, 2014

An incumbent Democrat faces a Republican challenger in a special election to fill the seat of former Hawaii senator Daniel Inouye, who died in 2012.

07:43Sep 25, 2014

Democratic senator Mary Landrieu is fighting to keep her job against Republican challenger, Bill Cassidy.

07:32Sep 18, 2014

In the latest installment of our Senate Tracker series, we turn to the race in Kansas.

07:33Sep 11, 2014

Incumbent Senator Mark Begich is facing a challenge from Dan Sullivan, a former state attorney general under then-Gov. Sarah Palin.

06:19Sep 3, 2014

In Colorado, Democratic U.S. Senator Mark Udall is facing a challenge from Congressman Cory Gardner.

07:27Aug 26, 2014

Democrat Alison Lundergan Grimes, Kentucky's secretary of state, is trying to unseat longtime U.S. Senator Mitch McConnell.

08:35Aug 20, 2014

Incumbent Democrat Mark Pryor and Republican Congressman Tom Cotton are battling for a U.S. Senate seat in Arkansas.

07:51Aug 13, 2014