They will need to defend an open seat in a battleground state that President Trump carried in 2024. And Gov. Gretchen Whitmer ruled out a run.

Democratic U.S. Sen. Gary Peters, of Michigan, announced Tuesday that he will not run for a third six-year term in 2026 leaving an open Senate seat.

Sen. Gary Peters' (D-Mich.) shock announcement Tuesday that he will not run for reelection has U.S. House members from Michigan in both parties sizing up potential runs for his seat. Why it matters: The race could get crowded fast,

Democratic Sen. Gary Peters of Michigan announced Tuesday that he will not seek reelection in 2026, leaving Congress at the end of his second term and opening up a highly competitive battleground Senate seat.

Mallory McMorrow, a state senator who won national Democratic acclaim in 2022 with a speech defending liberal values while identifying herself as a “straight, white, Christian, married suburban mom,” said she had not ruled out a run for either governor or the Senate.

Michigan Gov. Gretchen Whitmer said she will not run for the open U.S. Senate that will be vacated by retiring Sen. Gary Peters.

Michigan Democratic Senator Gary Peters will not seek re-election to a third term when his current one expires in January 2027, leaving open a senate seat in a state Donald Trump won.

Sen. Gary Peters (D-Mich.) announced on Tuesday that he will not seek reelection next year, dealing a blow to Democrats in a key battleground state.  Peters made the decision official in an

Democratic Sen. Gary Peters won’t run for re-election in Michigan in 2026, creating a pivotal open Senate seat in one of the most tightly divided battleground states in the U.S.

Michigan Sen. Gary Peters says he thinks it’s time to turn over the reins so he won’t be seeking a third term in 2026

Democratic Michigan Senator Gary Peters has announced he will not seek a third term in 2026, giving Republicans a top target in a state likely to become a major midterm battleground. Peters, who won reelection in 2020 by a narrow margin of less than 2 points, surprised many with his decision.