The Republican senator from Utah and 2012 Republican presidential candidate announced he will not seek reelection in 2024.

The Utah senator again broke rank with fellow Republicans.

Sen. Mitt Romney has admitted to using a secret Twitter account, "Pierre Delecto," to monitor and comment on political discussions.

After some clever reporting by Slate's Ashley Feinberg, Sen. Mitt Romney has been tied to a secret Twitter account by the name of Pierre Delecto.

Huckabee criticizes Romney on Friday, after tweeting his personal reaction to the Mueller report.

Romney and Trump have had a tumultuous relationship through the years.

The two had often sparred over the previous few years.

Former governor and one-time GOP presidential nominee Mitt Romney is running for the U.S. Senate

The former GOP presidential candidate will run for the U.S. Senate in Utah.

A senior adviser tells ABC News that Romney wants to build consensus in D.C.

Romney received treatment at UC Irvine Hospital in California.

A curious change was made to Mitt Romney's Twitter profile Tuesday, that raised the eyebrows of politicos from Utah to Washington.

Following Sen. Orrin Hatch's retirement announcement, all eyes are on Romney.

Romney says Clinton said she would "very much" like to see him in the role.

Mitt Romney is a leading contender to be Trump's secretary of state.

Romney "looks forward" to a Trump administration.

The former Massachusetts governor met with the president-elect to discuss various issues facing the United States.