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.
MONROE, N.C. (AP) - The North Carolina man accused of handcuffing and chaining an 11-year-old boy by his ankle to a porch with a dead chicken around his neck as punishment has rejected a plea deal.
DES MOINES, Iowa (AP) - A Des Moines woman stepped into the shower this week to help ease the discomfort of stomach pains. She emerged holding a newborn.
SAN DIEGO (AP) - People checked with a heart CT scan after seeing a doctor for chest pain have no less risk of heart attack, dying or being hospitalized months later than those who take a simple treadmill test or other older exam, finds a big federal study.
NEW ORLEANS (AP) - The arrest of Robert Durst, a wealthy eccentric linked to two killings and his wife's disappearance, came on Sunday just before the finale in an HBO show about his life in which he said he "killed them all."
CLAYTON, Mo. (AP) - A 20-year-old man charged Sunday with shooting two police officers watching over a demonstration outside the Ferguson Police Department had attended a protest there earlier that night but told investigators he wasn't targeting the officers, authorities said.
DETROIT (AP) - A man who said he walked 21 miles to and from work each day is settling into a new, suburban Detroit apartment after receiving thousands of dollars in online donations
SACRAMENTO (AP) - The drought has water agencies in Southern California offering big prices for water belonging to Northern California rice farmers.
SAN DIEGO (AP) - New research boosts hope that a highly anticipated, experimental class of cholesterol drugs can greatly lower the risk for heart attacks, death and other heart-related problems. The government will decide this summer whether to allow two of these drugs on the market.
CARSON CITY, Nev. . (AP) - The historic Nevada newspaper where Mark Twain cut his journalistic teeth is back in publication for the first time in three decades, and its owners plan to uphold tradition by offering more than just real news.
BOSTON (AP) - The St. Patrick's Day parade in Boston will make history this Sunday as two gay and lesbian groups join the fun.
DETROIT (AP) - A widow held up a red card, signaling ejection, as a weekend soccer player was sentenced Friday to at least eight years in prison for a punch that killed a Detroit-area referee.
LOS ANGELES (AP) - Shaking from a powerful earthquake could exceed the design of the Diablo Canyon nuclear power plant, its owners have found, but the reactors are safe because components were built with more than enough strength to withstand the potential stress and no equipment would be at risk, a report concludes.
LOS ANGELES (AP) - Los Angeles police say a 10th teenager has been arrested in connection with a series of sexual assaults against two Venice High School students.
WASHINGTON (AP) - A Justice Department proposal that could make it easier to locate and hack into computers that are part of criminal investigations is raising constitutional concerns from privacy groups and Google, who fear the plan could have broad implications.
FREEPORT, Maine (AP) - L.L. Bean is preparing for the largest number of store openings in the company's history, but they won't be megastores along the lines of Bass Pro Shops or Cabela's.