Nevada Democratic U.S. Sen. Jacky Rosen held off an unexpectedly strong challenge from Republican Sam Brown to win a second ...

In the California Senate race, Democrat Adam Schiff has won, NBC News projects. Special election results can be found here. Some states and some individual counties provide results broken down by ...

All Senate races have been called. Fox News projects one of two Republicans will prevail in Alaska's Senate race. This is factored in our balance of power calculation.