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) - A House bill that would allow some schools to opt out of healthier meal standards drew a veto threat Tuesday from the White House.
TROUTDALE, Ore. (AP) - A teen gunman armed with a rifle shot and killed a 14-year-old student Tuesday and injured a teacher before he likely killed himself at a high school in a quiet Columbia River town in Oregon, authorities said.
NEW YORK (AP) - A plan to remake the New York's yellow cab fleet by requiring owners to purchase Nissan minivans is legal, an appeals court ruled Tuesday.
MOULTRIE, Ga. (AP) - Aerial drones, a technology perhaps best known for helping hunt terrorists on the other side of the globe, may soon begin helping U.S. farmers monitor what's happening in their fields.
NEW YORK (AP) - The city has agreed to pay nearly $600,000 to settle allegations that police wrongfully arrested a group of Occupy Wall Street protesters, marking what their lawyers Tuesday called the largest settlement to date in a single Occupy-related civil rights case.
NASHVILLE, Tenn. (AP) - A Tennessee man has been charged with killing a woman, dismembering her body and eating part of her corpse in a bizarre case that's perplexing law enforcement in a small pastoral town.
ANCHORAGE, Alaska (AP) - A Washington teenager was on the phone with her mother as she hiked alone on a mountain in Alaska, saying she was nervous about the slippery terrain before her mother heard a scream, and then silence. The 18-year-old had fallen 30 feet from a cliff.
CHICAGO (AP) - The American Medical Association says cheerleading should be considered a sport because of its rigors and risks.
WARMINSTER, Pa. (AP) - Those attending a suburban Philadelphia high school commencement ceremony this month will see a lot of familiar faces: The school plans to graduate no fewer than 14 pairs of twins.
BIRMINGHAM, Ala. (AP) - An Alabama man accused of going on a shooting spree in a rural community was charged Monday with killing the man who molested his daughter more than a decade ago and trying to kill a stepdaughter's boyfriend.
LOS ANGELES (AP) - For years, Fred Goldman was adamant that he would never rest until he had held O.J. Simpson accountable for the killings of his son Ron and Simpson's ex-wife 20 years ago - even if a jury had acquitted the former football star.
SALT LAKE CITY (AP) - The attorney for a Salt Lake City police officer who was placed on leave for refusing an assignment to work a gay pride parade last weekend said Monday that his client has been defamed by inaccurate comments made by the police department.
• VIEWERS OF ONLINE GAME REPORTED BREAK-IN: TEMPE, Ariz. (AP) - People watching a video feed of a woman playing an online game called authorities to report seeing a home invasion taking place in the woman's apartment, police said Monday.
WASHINGTON (AP) - More than 57,000 U.S. military veterans have been waiting 90 days or more for their first VA medical appointments, and an additional 64,000 appear to have fallen through the cracks, never getting appointments after enrolling, the government said Monday in a report newly demonstrating how deep and widespread the problem is.
LOS ANGELES (AP) - Patients seeking care through the VA's Greater Los Angeles Healthcare System waited an average of 56 days for their first appointment with a primary care doctor - four times longer than the department's goal.