OMAHA, Neb. (AP) - The diesel-burning locomotive, the workhorse of American railroads since World War II, will soon begin burning natural gas - a potentially historic shift that could cut fuel costs, reduce pollution and strengthen the advantage railroads hold over trucks in long-haul shipping.
COLUMBINE HIGH SCHOOL RECEIVES THREATENING CALLS: LITTLETON, Colo. (AP) - Columbine High School, where a school shooting left 13 people dead in 1999, went on high security alert after receiving a series of threatening phone calls, law enforcement said Thursday.
MICHIGAN CITY, Ind. (AP) - About 30 vehicles, half of them semitrailers, collided amid whiteout conditions in a massive highway pileup that left three people dead and more than 20 others injured - at least one critically - in northwestern Indiana, police said Thursday.
LOS A NGELES (AP) - Justin Bieber's arrest Thursday on suspicion of driving under the influence and other offenses adds his name, and mug shot, to the gallery of stars who enjoyed early success and eventually ended up in handcuffs.
OKLAHOMA CITY (AP) - Two law enforcement officers were killed Thursday when their cars collided during a pursuit in rural western Oklahoma, and the suspect died in a separate crash a few miles away, authorities said.
POULSBO, Wash. (AP) - An elementary school principal in Washington state has been placed on leave while the district investigates her use of the N-word to students.
DETROIT (AP) - Michigan Gov. Rick Snyder asked the federal government Thursday to set aside thousands of work visas for bankrupt Detroit, a bid to revive the decaying city by attracting talented immigrants who are willing to move there and stay for five years.
FLAGSTAFF, Ariz. (AP) - Captain and Tennille, the popular 1970s married pop duo that sang of sharing forever and of love keeping them together, are splitting.
MIAMI BEACH, Fla. (AP) - When he debuted five years ago, Justin Bieber was a mop-haired heartthrob, clean cut and charming. But a series of troubling incidents have put his innocent image at risk, and none more so than his arrest on DUI charges Thursday.
CINCINNATI (AP) - Drivers who got speeding camera tickets in a Cincinnati-area village are entitled to nearly $1.8 million in refunds, pending the village's appeal of class action status, a southwest Ohio judge ruled Thursday.
WITH BIG WAVES COMING, MAVERICKS CONTEST IS ON: HALF MOON BAY (AP) - With a Pacific storm pushing big waves toward California, organizers of a contest at one of the world's most perilous surfing spots have told competitors to grab their boards and get ready.
HUNTSVILLE, Texas (AP) - A Mexican man has been executed in Texas for killing a Houston police officer, despite pleas and diplomatic pressure from the Mexican government and the U.S. State Department to halt the punishment.
SEATTLE (AP) - Seattle's Interim Police Chief Harry Bailey says a 36-year-old man fatally shot at a bus stop after police say he threatened them with a gun was actually armed with a fake gun.
MUNDELEIN, Ill. (AP) - A 14-year-old girl was charged Wednesday with first-degree murder in the death of an 11-year-old girl who was stabbed more than 30 times at the suburban Chicago home where they both lived.
SALT LAKE CITY (AP) - A University of Utah student says he paid his tuition bill with 2,000 one-dollar bills as a silent protest against the rising cost of college.
LOS ANGELES (AP) - A moderate earthquake that rattled a swath of Southern California forced several dozen people in one community out of their homes after firefighters discovered foundation problems that made the buildings unsafe to enter, authorities said Saturday.
WASHINGTON (AP) - A simple test appears very good at ruling out heart attacks in people who go to emergency rooms with chest pain, a big public health issue and a huge worry for patients.
SEATTLE (AP) - People living in the path of a deadly Washington state landslide had virtually no warning before a wall of mud, trees and other debris thundered down the mountain. Some of the homeowners didn't even know the hillside could give way at any time.
PARIS (AP) - The United States and Russia agreed Sunday that the crisis in Ukraine requires a diplomatic resolution, but four hours of talks between U.S. Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov failed to break a tense East-West deadlock over how to proceed.
SALT LAKE CITY (AP) - Mormon women gathered around the world this weekend for what leaders called a historic meeting of the faith.
VATICAN CITY (AP) - A visibly energized President Barack Obama held a nearly hourlong audience with Pope Francis at the Vatican on Thursday, expressing his great admiration for the pontiff and inviting him to visit the White House.
ARLINGTON, Wash. (AP) - Washington state officials all but abandoned hope Friday of finding survivors under tons of twisted, sodden earth as a community waited in anguish to learn the full scope of what is already one of the most devastating landslides in U.S. history.
DARRINGTON, Wash. (AP) - The roar of the hillside collapsing was so loud that Robin Youngblood thought an airplane had crashed. But when she looked out the window of her mobile home, all she saw was a wall of mud racing across her beloved river valley toward her home.
FOREST, Va. (AP) - Eight-year-old Sunnie Kahle likes to keep her hair short, wear boys' clothes, collect hunting knives and shoot her BB gun.
ATLANTA (AP) - There's fresh evidence that a lot of young people could be headed for heart trouble. A large study of preteens in Texas found that about one-third of them had borderline or high cholesterol when tested during routine physical exams.
RIYADH, Saudi Arabia (AP) - Worried about Moscow's intentions, President Barack Obama urged Russian President Vladimir Putin to pull his troops back from the border with Ukraine during an hourlong phone call Friday. The Russian leader, who initiated the call, asserted that Ukraine's government is allowing extremists to intimidate civilians with impunity.
PITTSBURGH (AP) - A teenager has published a study suggesting the federal government could save millions of dollars a year in printing costs by switching to a thinner typeface that uses less ink.
NEW YORK (AP) - A seagull put a hole in the nose of a JetBlue airliner shortly after the plane took off from a suburban New York airport Friday, but the jet and its 142 passengers landed safely at nearby Kennedy International.
DETROIT (AP) - A group trying to save the Detroit-area factory where Rosie the Riveter became an icon of American female empowerment during World War II said Friday that it must raise $1.5 million in the next few weeks to save the site from being demolished.
DALLAS (AP) - A Dallas house was so jammed with clutter that it took two days before the homeowner's body was finally discovered amid the debris, authorities said Friday.