US Senate

Arizona senior Senator Kyrsten Sinema released a video message for Arizonans. Read the transcript.

Pinal County Sheriff Mark Lamb is a candidate for the U.S. Senate seat currently held by Kyrsten Sinema.

Senator writes she's declaring independence from partisan politics

PHOENIX -- Former astronaut Mark Kelly waded into the political arena Tuesday, making a bid for U.S. Senate and hoping to prove to Arizonans he is about…

U.S. Sen. Martha McSally had a packed schedule on Wednesday in her first visit to the Yuma area since Gov. Doug Ducey appointed her to the Senate on Dec.…

Despite her recent election loss to Democrat Kyrsten Sinema, Republican Martha McSally is headed to Washington, D.C. to join her former opponent in the…

The late Sen. John McCain will be honored at an expansive ceremony at Washington's National Cathedral on Saturday. Former President Barack Obama and…

A conservation fund that has provided money since 1965 for national parks and forests, as well as state and local outdoor recreation sites, faces an…