The Kentucky Republican has served more than 40 years in the chamber, and became one of the most consequential and divisive legislators in recent history.

McConnell, the longest-serving Senate party leader in U.S. history, chose his 83rd birthday to share his decision not to run ...

Republican Sen. Mitch McConnell is announcing on Thursday that he won't seek reelection next year, ending a decadeslong ...

The longest-serving Senate leader had been widely expected to retire at the end of his current term. He made it official on ...