The FBI has arrested a suspect in a case involving the discovery of a pair of letters containing the deadly poison ricin and says investigators are working "around the clock" to address any remaining risks.

Gay activists protested Sen. Marco Rubio after same-sex couples were left out immigration reform bill.

Jurors in Jodi Arias' murder trial resume deliberations Thursday after they were unable to reach a unanimous verdict on whether she should be sentenced to life in prison or death for killing her one-time boyfriend, prompting the judge to instruct them to keep trying.

All that is left of Shayne Patterson's three-bedroom home is the tiny area where his wife hunkered down under a mattress to protect their three children when a tornado packing winds of at least 200 mph slammed through his neighborhood.

A Chechen immigrant shot to death in central Florida after an altercation with an FBI agent had several ties to that of one of the Boston Marathon bombing suspects who authorities were questioning him about at the time.

Anthony Weiner knows there may be a lot of New Yorkers who would never consider voting for him again, but he says he's running for mayor because he wants to bring his ideas to the fore - and win.

With her son holding her elbow, Colleen Arvin walked up her driveway to what was left of her house for 40 years.

U.S. troops can once again tweet and post on Facebook from the coffee shop, Irish pub and library at the U.S. Navy base at Guantánamo Bay, a base spokeswoman said Wednesday.

Uniformed defense lawyers for alleged Guantánamo terrorists invoked the Vietnam War’s My Lai massacre in their bid to get Vietnam veteran Chuck Hagel to intervene in the prison camps.

The Pentagon is asking Congress for more than $450 million for maintaining and upgrading the Guantánamo Bay prison that President Barack Obama wants to close.

A federal appeals court Tuesday backed the U.S. government's decision not to release photos and video taken of Osama bin Laden during and after a raid in which the terrorist leader was killed by U.S. commandos.

President Barack Obama will discuss the legality of his administration’s secret drone program and his plans to close the prison camps at Guantánamo during a speech Thursday on counterterrorism practices, a White House official said.

A lawyer for a Guantánamo Bay prisoner is calling on the U.S. Justice Department to release photos of wounds the man suffered when struck with non-lethal rounds at a recent clash with guards at the prison.

Military officials would not comment on whether the current 102 hunger strikers include alleged 9/11 conspirators.

Guantánamo prison staff members were tube-feeding 30 of the 100 hunger-striking captives on Wednesday, the detention center said, reporting an all-time high last reached in 2005.

Human rights organizations are asking Secretary of Defense Chuck Hagel to order troops to abandon the practice of force-feeding prisoners at Guantánamo, a move that could permit them starve to death if they choose.

Candidate Barack Obama pledged that he’d close the Guantánamo Bay detention facility. Easier said than done. Here are some key questions and answers.

A Chechen immigrant shot to death in central Florida after an altercation with an FBI agent had several ties to that of one of the Boston Marathon bombing suspects who authorities were questioning him about at the time.

U.S. Navy Lt. Mike McGrath was just 27 years old, with a wife and two toddler sons in the U.S., when he was shot down and taken prisoner on his 179th bombing mission during the Vietnam War.

A company that promised sightseer tours to the Bronx that included a New York City "ghetto" has stopped the bus rides under fire from an outraged neighborhood.

It's hard to miss the enormous 20-foot (6-meter)-wide American flag on the side of Richard Ormbrek's home. Comprised of around 180 tiles painted with scenes of Americana against a background of red and white stripes, the flag pops from the orange cedar shingles with traffic-stopping audacity.

Former Secretary of State Hillary Rodham Clinton touted the efforts of a group combatting malnutrition and blindness during an awards speech in New York City.

Your daily look at late-breaking news, upcoming events and the stories that will be talked about Thursday:

Two 19-year-old Oklahoma men who took cover in a cellar during a deadly tornado were able to use their cellphones to get video of the twister as it passed over the home.

The FBI has arrested a suspect in a case involving the discovery of a pair of letters containing the deadly poison ricin and says investigators are working "around the clock" to address any remaining risks.

A top human rights organization on Wednesday criticized the Obama administration's increasing use of drone aircraft for the targeted killing of terrorism suspects overseas and questioned whether it is legal.

A school bus slammed into the back of another one, setting off a chain-reaction crash involving four buses in northern Indiana, leaving about 50 middle and high students with non-serious injuries and one driver seriously injured.

Nine-year-old Sydney Angle was "everywhere at once" when she was out on the softball field. Kyle Davis, 8, was nicknamed "The Wall" because of his size and presence on the soccer field. JaNae Hornsby, also 9, was the life of the party.

A far-reaching bill to remake the nation's immigration system is headed to the full Senate, where tough battles are brewing on gay marriage, border security and other contentious issues, with the outcome impossible to predict.

Uniformed defense lawyers for alleged Guantánamo terrorists invoked the Vietnam War’s My Lai massacre in their bid to get Vietnam veteran Chuck Hagel to intervene in the prison camps.

An 18-year-old lesbian faces 15 years in prison for having sex with a 14-year-old high school classmate.

A monstrous tornado at least a half-mile wide roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. At least 51 people were killed, including at least 20 children, and officials said the death toll was expected to rise.

A mix of volunteers and first responders are combing through debris in an Oklahoma City suburb looking for survivors.

Rubio mesmerized hundreds in Tampa with a familiar speech that resonated more strongly than ever amid the latest Obama administration scandals.

Life on the run for the Internet sensation known as Kai the hatchet-wielding hitchhiker ended when he asked for a cup of coffee.

Military officials would not comment on whether the current 102 hunger strikers include alleged 9/11 conspirators.