According to new polling, Maine Governor Janet Mills may be well placed to unseat Maine's incumbent Republican Senator, Susan ...

This year's election year battle for control of the U.S. Senate is intensifying, as Republicans prepare to push through President Donald Trump's Supreme Court nominee in the closing weeks of a ...

Democratic U.S. Senate candidate Mark Kelly pulled further ahead of Arizona Republican incumbent Martha McSally, a Reuters/Ipsos poll showed on Wednesday, ratcheting up the risk to Republicans of ...

Some races are tightening but other key pickup opportunities are moving in the wrong direction, according to a new round of polling from the Senate Leadership Fund.