The Boston Athletic Association plans to release official race results and times for all runners on Friday.

The Mississippi man accused of mailing letters with suspected ricin has been charged with threatening President Barack Obama and others.

Prosecutors in Philadelphia could wrap up five weeks of evidence Thursday in the capital murder trial of a longtime abortion provider.

NEW YORK (AP) - Robin Roberts is resting at home and off "Good Morning America" this week after another hospital stay as part of her recuperation from a rare blood disease.

Our sister station KWTX in Waco, TX reports: West EMS Director Dr. George Smith said earlier Wednesday night as many as 60 or 70 people died in the blast, but Department of Public Safety spokesman D.L. Wilson said during a news conference late Wednesday night the number of dead is unknown.

The pope is using his Twitter account to ask followers to pray for victims of a fatal fertilizer plant explosion in a small Texas town.

Virtually overnight, a peace activist with a colorful past has turned into a living reminder of both the horror and bravery witnessed in the double bombing at the Boston Marathon.

The Senate has voted to urge President Barack Obama to pardon posthumously the first black heavyweight boxing champion, Jack Johnson, who was convicted a century ago of accompanying a white woman across state lines.

Legal marijuana sales likely won't begin in Washington state before spring of next year.

A federal judge has declined to dismiss wrongful death and liability claims filed against Cinemark USA, the company that owns the Colorado theater where 12 people were shot to death last summer.

President Obama will travel to Boston Thursday where he will speak at an interfaith service dedicated to the victims of the bombings.

An 11-year-old California boy and a 9-year-old girl remain in critical condition at Boston Children's Hospital, two days after twin bombings at the Boston Marathon killed three people and injured more than 170.

Crowds of reporters are gathered outside. The FBI and the U.S. attorney's office in Boston say no arrests have been made.

What makes it scary is that there is no known antidote -- and it is at its deadliest when it is inhaled. It isn't contagious.

The FBI says it is pursuing investigative leads to determine who sent the letters.

Carnival Cruise Lines is making a major announcement Wednesday aimed at improving ship reliability and guest comfort.

A Minnesota hospital is apologizing for mishandling a stillborn baby whose body was discovered in linens at a laundry service.

Social media, such as Facebook and Twitter, played a part in getting information about the Boston attacks to the public and emergency management. Such tools allowed for near-instantaneous reports of the events.

The Motion Picture Association of America is changing its rating system to better inform parents about violence in movies.

The Senate has set a vote for Wednesday on a bipartisan plan for expanding background checks to more gun buyers, with supporters facing an uphill path to victory.

A new poll sends mixed signals on former Rep. Anthony Weiner's potential New York City mayoral run. He gets more support than several other Democratic contenders, but half of voters say they wouldn't even entertain casting a ballot for him.

Senate Majority Leader Harry Reid says a letter containing ricin or another poision was sent to the office of Sen. Roger Wicker of Mississippi.

Emails and text messages show the Maine fitness instructor who ran a prostitution operation out of her Zumba studio had as many as five clients a day and wanted her co-conspirator monitoring the trysts.

An eastern Pennsylvania prosecutor says a man apparently tried to commit suicide by leaving a car running in a garage and the carbon monoxide fumes apparently claimed not only his life but those of his wife and their two children.

Three teens facing charges in the sexual assault of a 15-year-old Northern California girl who committed suicide after the attack appeared in court for the first time Tuesday.