MURRYSVILLE, Pa. (AP) - Flailing away with two kitchen knives, a 16-year-old boy with a "blank expression" stabbed and slashed 21 students and a security guard in the crowded halls of his suburban Pittsburgh high school Wednesday before an assistant principal tackled him.
MIDDLETON, Wis. (AP) - Wisconsin Gov. Scott Walker, a potential 2016 Republican candidate for president who lacks a college degree, said Wednesday he would like to complete his course work to get his diploma, but he dodged a question about whether it was necessary to run for higher office.
ORDWAY, Colo. (AP) - Mini-storms of tumbleweed have invaded the drought-stricken prairie of southern Colorado, blocking rural roads and irrigation canals, and briefly barricading homes and an elementary school.
WINTER PARK, Fla. (AP) - A car smashed into an Orlando-area day care Wednesday, killing a girl and injuring 14 others, at least a dozen of them children, and authorities were searching for the driver of an SUV who they say started the crash, officials said.
BOSTON (AP) - Brandeis University has transformed an accolade into "a moment of shaming" by withdrawing a plan to give an honorary degree to a Muslim women's advocate who has made comments critical of Islam, she said Wednesday.
LOUISVILLE, Ky. (AP) - It may sound far-fetched, but scientists are attempting to build a human heart with a 3-D printer.
NEW YORK (AP) - Millions of passwords, credit card numbers and other personal information may be at risk as a result of a major breakdown in Internet security revealed earlier this week.
SANTA CLARA (AP) - Hewlett-Packard will pay the U.S. government $108 million to settle charges that former employees paid bribes to officials in Russia, Mexico and Poland.
NEW YORK (AP) - The rising cost of child care is among likely reasons for a rise in the number of women staying home full-time with their children, according to a new Pew Research Center report released Tuesday.
MILWAUKEE (AP) - A virus never before seen in the U.S. has killed millions of baby pigs in less than a year, and with little known about how it spreads or how to stop it, it's threatening pork production and pushing up prices by 10 percent or more.
WEST BABYLON, N.Y. (AP) - An 85-year-old nursing home patient was the victim of "disgraceful sexual perversion" when a male stripper gyrated in front of her against her will at the suburban New York facility, an attorney for the woman's family said Tuesday.
OMAHA, Neb. (AP) - Railroads are launching a new campaign to highlight the dangers of being near train tracks after a spike in rail deaths last year.
CAPE CANAVERAL, Fla. (AP) - North and South America, get ready for the first eclipse of the year- in color.
GRANTS PASS, Ore. (AP) - The Josephine County Sheriff's Office is understaffed and desperate for help, so they're mulling whether to turn to local volunteers to help process crime scenes.
BRIDGEPORT, Conn. (AP) - A Moroccan man in Connecticut who allegedly expressed interest in using remote-controlled airplanes to bomb a school and a federal building has been arrested by the FBI and detained without bail, federal authorities said Tuesday.
WASHINGTON (AP) - The Internal Revenue Service has lost more emails connected to the tea party investigation, congressional investigators said Tuesday.
WASHINGTON (AP) - Vowing to protect fragile marine life, President Barack Obama acted Tuesday to create the world's largest ocean preserve by expanding a national monument his predecessor established in waters thousands of miles from the American mainland.
LAS CRUCES, N.M. (AP) - A blind New Mexico man who recently earned an auto mechanics degree is looking for a job.
PILGER, Neb. (AP) - As two giant tornadoes bore down on this tiny farming town in northeast Nebraska, Trey Wisniewski heard the storm sirens, glanced out at the blackening sky and rushed with his wife into their basement.
PHOENIX (AP) - An Arizona congressional candidate who legally changed his name to Cesar Chavez will be removed from the Democratic primary ballot because of invalid nomination signatures, a judge ruled Tuesday.
MARIETTA, Ga. (AP) - A suburban Atlanta woman was jailed after being accused of arranging for her son to travel with a stranger she found on Craigslist.
MIDDLETOWN TOWNSHIP, N.J. (AP) - It was gym, tan, jail for The Situation as he was arrested Tuesday after a fight at a tanning salon.
AUSTIN, Texas (AP) - Could Texas Gov. Rick Perry be California dreamin'?
WASHINGTON (AP) - The Social Security Administration has been closing a record number of field offices because of budget constraints even as the demand for services soars, according to a congressional report being released Wednesday.
WASHINGTON (AP) - Food companies and restaurants could soon face government pressure to make their foods less salty - a long-awaited federal effort to try to prevent thousands of deaths each year from heart disease and stroke.
DETROIT (AP) - Consumers looking for a used vehicle aren't shying away from GM models - even though more than 20 million GM cars and trucks have been recalled this year.
WASHINGTON (AP) - People who signed up for coverage under President Barack Obama's health care law are paying about $80 a month in premiums on average, the administration reported Wednesday.
NEW YORK (AP) - Amazon, a company of seemingly boundless ambition, appears to be venturing into yet another market: smartphones.
WASHINGTON (AP) - The Supreme Court will consider the free speech rights of people who use violent or threatening language on Facebook and other electronic media where the speaker's intent is not always clear.
ALBANY, N.Y. (AP) - Seven teenagers have been charged with luring other teens to places in their upstate New York village where they beat them and videotaped the attacks, despite pleas from two of the victims begging to be let go, authorities said Monday.