The split decision allows the controversial project to proceed. The U.S. House of Representatives could vote as early as today on a bill to approve the pipeline.
The California Democrat's announcement ends speculation about her political future. Boxer, 74, had been a favorite to retain her seat; she said she would work to ensure it remains with her party.
The House will debate, and likely pass a bill, that would make a change in the Affordable Care Act. It would raise the law's definition of full-time work from 30 hours to 40 hours a week
The Obama administration has threatened to veto a bill that would allow immediate construction of a controversial oil pipeline. But that threat is not stopping Republican lawmakers.
The Frederick County, Md., council member was the subject of a tongue-in-cheek editorial by the Frederick News-Post after he said the newspaper couldn't use his name in a story without permission.
It took only a day for the shiny new 114th Congress to start looking like the beaten and battered 113th that limped out of town last month.
"Dynamic scoring" would favor tax cuts as a way to bring in more revenue for the government. But critics of the system are calling it "a gimmick."
A third of the Senate was re-elected this past election, which means the presiding officer of the chamber, Vice President Joe Biden, had to swear them in.
President Obama hits the road to promote his upcoming State of the Union address, and perhaps, to try to steal the spotlight away from Republicans in their first week leading the new Congress.
Rick Scott was elected four years ago with Tea Party support. As re-election approached, he moderated many of his conservative views, even supporting Medicaid expansion, an idea he'd long opposed.
The Kentucky Republican never really thought about running for president while growing up. Instead, he dreamed of being Senate majority leader. That dream came true on Tuesday.
Republicans formally took full control of Congress for the first time during Barack Obama's presidency on Tuesday. Republicans took over the Senate and added to their majority in the House.
Robert Siegel talks to Republican Congresswoman Mimi Walters of California and Democratic Congressman Ruben Gallego of Arizona about starting their first term in Congress.
With the new Congress sworn in and the GOP in charge, votes to advance the Keystone XL Pipeline are the first order of business.
Two big issues between President Obama and his Mexican counterpart: Obama's recent controversial executive actions on immigration and Cuba.
As HBO releases the high-definition version of The Wire, NPR's Eric Deggans says that binge-watching the show feels more like reading today's headlines — especially on issues of race and class.
The House, which has a Republican majority, is expected to vote on the controversial pipeline this week. The GOP-dominated Senate is considering a similar measure, which has bipartisan support.
The Ohio Republican received 216 votes. At least two dozen fellow Republicans voted against him.
After sitting out the first full year of Obamacare's Medicaid expansion, lawmakers in Montana are now talking about a limited expansion.
McDonnell and his wife, former first lady Maureen, were convicted in September on several charges of corruption while he was in office.