The popular two-term governor is 77. Her top challenger in the primary, oyster fisherman Graham Platner, is 41.

Maine Governor Janet Mills' run for Senate comes with an unusual promise - she will only serve one six-year term.

In many ways, Janet Mills is the ideal Democratic recruit to take on Republican Sen. Susan Collins, a fifth-term moderate ...

Democratic Gov. Janet Mills made her much-anticipated entry into the Maine Senate race, seeking to challenge Republican Sen.

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

Gov. Janet Mills, D-Me., kicked off her campaign for Senate Tuesday, joining a crowded primary field vying to challenge ...

A two-term Democratic governor, Ms. Mills called herself “battle tested” in an interview. But she faces a Democratic primary ...

Gov. Janet Mills's Senate candidacy boosts Democrats’ longtime hopes of picking off one of the GOP's most centrist senators, ...

Maine’s two-term Democratic Gov. Janet Mills will run for the U.S. Senate seat held by veteran Republican Sen. Susan Collins ...

The 77-year-old's expected candidacy exposes a trend in this cycle of Senate Democrats’ reliance on older candidates to oust Republicans.

I won two statewide races,” said Mills of her primary opponents. “I’m the only person in this race who has delivered for the ...

ME Gov. Mills officially launched her campaign for Senate on Oct. 14, saying her intent is to “stand up to Donald Trump and ...