Updated: 12:21 AM Authorities say a campus police officer at the Massachusetts Institute of Technology has died from injuries in a shooting on the campus outside Boston.

Updated: 7:39 AM Your daily look at late-breaking news, upcoming events and the stories that will be talked about Friday.

Updated: 7:48 AM Air traffic controller furloughs scheduled to kick in on Sunday could result in flight delays of more than three hours in Atlanta, as well as significant delays in Chicago, Los Angeles and New York-area airports, federal officials said Thursday.

Posted: 3:32 PM Federal regulators fined the company that operates the Texas fertilizer plant that exploded overnight $10,000 last summer for safety violations.

Posted: 3:27 PM Sen. Roger Wicker says he once hired the man accused of mailing suspicious letters as an Elvis impersonator.

Posted: 3:23 PM President Barack Obama declared "there is a piece of Boston in me" as he paid tribute to a city shaken by what he has called an act of terror. He said: "Every one of us stands with you."

Posted: 3:12 PM More than 30 works by artist Jean-Michel Basquiat will appear at a New York City exhibit before a private sale.

Posted: 3:05 PM Some of the country's top research institutions have combined to launch a massive online archive.

Updated: 8:09 AM As of early Thursday morning, the mayor of West, Texas said he's not sure how many people were hurt or killed in the explosion.

Posted: 4:58 PM A rare pink diamond once owned by Indian royalty has sold for $39.3 million at auction in New York City.

Updated: 8:15 AM Federal officials are denying that a suspect is in custody in the Boston Marathon bombings.

Updated: 12:03 PM Lawyers for the NCAA and Pennsylvania Gov. Tom Corbett are being summoned to a federal courtroom in Harrisburg next month to argue about a motion seeking to dismiss Corbett's anti-trust lawsuit against college sports' governing body.

Posted: 10:44 AM The Supreme Court has ruled that police must usually try to obtain a search warrant from a judge before ordering blood tests for drunken-driving suspects.

Updated: 10:25 AM Republican Sen. Rand Paul of Kentucky says he is considering a presidential campaign in 2016 but will not make a decision before next year.

Posted: 10:13 AM A Minnesota hospital is apologizing for mishandling a stillborn baby whose body was discovered in linens at a laundry service.

Updated: 10:00 AM The trauma surgery chief at Boston Medical Center says most of the injuries his hospital treated after the marathon bombings were to the lower extremities.

Posted: 9:58 AM The formal introduction of a bipartisan Senate immigration bill is sparking intense debate on Capitol Hill and beyond, as lawmakers and groups on all sides digest the 844-page legislation to enact sweeping changes to the nation's immigration laws.

Posted: 9:57 AM Authorities investigating the deadly bombings at the Boston Marathon have recovered a piece of circuit board that they believe was part of one of the explosive devices, and also found the lid of a pressure cooker that apparently was catapulted onto the roof of a nearby building.

Posted: 9:52 AM Google's mail and application services are unavailable to some users.

Updated: 8:09 AM Funeral services will be held in suburban Chicago for the young U.S. diplomat killed while delivering textbooks in southern Afghanistan.

Updated: 8:10 AM Pomp and protest marked the funeral today for former British Prime Minister Margaret Thatcher, reflecting her status as a commanding and polarizing political figure.

Updated: 8:10 AM Police in southeastern Minnesota are investigating after an infant's body was discovered in linens from a St. Paul hospital.

Updated: 8:11 AM A U.N. nuclear watchdog team has begun inspecting Japan's crippled nuclear plant, which has been plagued with radioactive water leaks and other glitches more than two years it was struck by a tsunami.

Posted: 7:58 AM A new report says the United States is footing more of the bill for overseas bases in Germany, Japan and South Korea even as the military reduces American troops in Europe and repositions forces in Asia.

Updated: 8:12 AM A bipartisan drive to expand background checks is in deep trouble.