Texas Republican Rep. Dan Crenshaw called out Twitter CEO Jack Dorsey on Tuesday over a recent video of Arizona Democratic Sen. Krysten Sinema being harassed in a bathroom, asking whether she is ...

Former Independent Arizona Sen. Kyrsten Sinema, who was previously a Democrat, is having the last laugh about her former Democratic colleagues’ attempts to end the filibuster. The filibuster ...

An Arizona business advocacy organization led by the former Democratic senator is taking credit for portions of the “big ...

Former US Senator Kyrsten Sinema supports a bill to provide $5 million in funds to research a drug called Ibogaine.

Kyrsten Sinema has rankled fellow Democrats, but will it matter in her home state of Arizona? Arizona's love of moderates paints a different reality for Sinema at home.

Congresswoman Kyrsten Sinema rolled up her sleeves and helped prepare food packages for those in need at the United Food Bank in Mesa on Wednesday.

On Monday, Senator Kyrsten Sinema, the soon-to-be retired Democrat-turned-independent from Arizona, responded to remarks from Senate Majority Leader Chuck Schumer urging Republicans to not ...

Martha McSally and Kyrsten Sinema are both vying for Jeff Flake's seat in one of the most hotly contested midterm Senate races.

Republican Martha McSally conceded to Democrat Kyrsten Sinema in the Arizona Senate race on Monday, ending one of the few races whose outcome was still uncertain.

Sen. Kyrsten Sinema wore a short purple wig and zebra-print shawl as she held the bible that Kelly used while taking the oath of office.

Arizona Sen. Kyrsten Sinema announced Friday she is registering as an independent, leaving the Democratic Party.