Maine Democratic Gov. Janet Mills announced that she will be running for U.S. Senate in an effort to unseat Republican Sen.

Several U.S. Senate candidates met in Springfield to talk about issues important to them. Here's what they said.

A handful of U.S. Senate Republicans are wrestling with the impending expiration of health insurance subsidies that are the ...

Maine Gov. Janet Mills formally announced Tuesday that she will seek the Democratic Party's nomination to challenge incumbent ...

The announcement ended months of guessing and may hurt Democratic hopes of finding the right candidate to flip Louisiana's ...

Each of Cassidy’s Republican opponents believes he can stop Cassidy from winning a third term. They are: state Sen. Blake ...

National forecasters are now calling the U.S. Senate race a toss-up with the entrance of Maine's two-term Democratic governor ...