LOS ANGELES (AP) - Los Angeles skies are less smoggy, a sign that emission-control strategies are working, new research has found.
SANTA ANA, Calif. (AP) - A former University of California, Irvine professor has pleaded not guilty to charges he set a series of fires at his son's high school and elsewhere after the boy committed suicide.
OKLAHOMA CITY (AP) - The deadly tornado that plowed through an area near Oklahoma City last week was even larger and more powerful than previously estimated - a record 2.6 miles wide with winds that reached nearly 300 mph, just shy of the strongest winds ever measured.
NEW YORK (AP) - A U.S. trade agency on Tuesday issued a ban on imports of Apple's iPhone 4 and a variant of the iPad 2 after finding the devices violate a patent held by South Korean rival Samsung Electronics.
WASHINGTON (AP) - U.S. home prices soared 12.1 percent in April from a year earlier, the biggest gain since February 2006, as more buyers competed for fewer homes.
SAN DIEGO (AP) - Authorities say a surfer whose shark-bitten body washed ashore in San Diego committed suicide.
LOS ANGELES (AP) - An internal review by the Los Angeles Police Department concluded that rogue ex-officer Christopher Dorner was justifiably fired, a lawyer who reviewed the findings told The Associated Press on Tuesday.
WASHINGTON (AP) - U.S. senators dressed down senior military leaders Tuesday, led by female lawmakers, combat veterans and former prosecutors who insisted that sexual assault in the ranks has cost the services the trust and respect of the American people as well as the nation's men and women in uniform.
LOS ANGELES (AP) - Kate Winslet is going to be a mom again.
OMAHA, Neb. (AP) - The price of a private lunch with billionaire Warren Buffett has already topped $750,000, and the online auction to raise money for a California homeless charity continues all week.
ALAMOGORDO, N.M. (AP) - A New Mexico city commission agreed to allow a Canadian studio to search a landfill where old, terrible Atari games are rumored to be buried.
WASHINGTON (AP) - An Oregon company is recalling a frozen berry mix sold to Costco and Harris Teeter stores after the product was linked to at least 34 hepatitis A illnesses in five states.
LOS ANGELES (AP) - Authorities say a pedestrian was struck and killed by a Metrolink commuter train in eastern Los Angeles County.
NEW YORK (AP) - A group of about 100 high school students traveling from New York to Atlanta were thrown off an AirTran flight, along with their chaperones, after the pilot and crew lost patience with some kids who wouldn't sit down and put away their cellphones.
Brash and stubborn, Turkey's leader doesn't shrink from a scrap. His voice booms when he gets on a podium and his folksy zingers enthrall supporters as much as they repulse opponents. That trademark combativeness, though, is fueling protests against his government.
They've lined the streets with police in riot gear, brought in a new black commander with an empathetic manner, imposed a curfew, lifted it and deployed the National Guard - and still the violence erupts nightly in the town of Ferguson, Missouri.
ISLAMABAD (AP) - Tens of thousands of protesters armed with wire cutters and backed by cranes broke through barriers protecting Pakistan's parliament and other government buildings Tuesday night, demanding the country's prime minister resign.
ANGLETON, Texas (AP) - A drunk driver did not deserve "execution" by a Texas father accused of taking the law into his own hands in a fit of rage over the killing of his two sons in a wreck, a prosecutor told jurors on Tuesday.
MONROVIA, Liberia (AP) - Three Liberian health workers receiving an experimental drug for Ebola are showing signs of recovery, officials said Tuesday, though medical experts caution it is not certain if the drug is effective.
FERGUSON, Mo. (AP) - The National Guard arrived in Ferguson but kept its distance from the streets where protesters clashed again with police, as clouds of tear gas and smoke hung over the St. Louis suburb where Michael Brown was fatally shot by a police officer.
BAGHDAD (AP) - Skirmishes broke out Tuesday between Iraqi security forces and militants on the outskirts of Tikrit, a local official and a resident said, a day after the Iraqi and Kurdish troops backed by U.S. airstrikes dislodged Islamic militants from a strategic dam in the country's north.
SOUTH PASADENA, Calif. (AP) - Police said they prevented a "horrific tragedy" by arresting two teenage boys who plotted to kill three high school staffers then gun down as many students as possible in a quaint Los Angeles suburb.
DONETSK, Ukraine (AP) - Ukrainian government troops were fighting pro-Russian rebels in the streets of Luhansk on Tuesday and captured most of a town near the eastern city of Donetsk, tightening the noose around that key rebel-held stronghold, Ukrainian officials said.
MARIPOSA, Calif. (AP) - Firefighters from throughout California were being dispatched Tuesday to protect homes threatened by an out-of-control wildfire burning in the foothills near Yosemite National Park, the second fire around the park in recent weeks.
NEW YORK (AP) - Few would recognize his face, but most knew his voice: the booming baritone that for nearly four decades heralded "Saturday Night Live."
GLENDORA (AP) - One of several wildfires burning across California prompted widespread evacuations Monday in a central California foothill community near Yosemite National Park, authorities said.
SAN FRANCISCO (AP) - Pacific Gas & Electric Co. pleaded not guilty Monday to charges in a new indictment that accuses the utility of lying to federal investigators looking into a fatal pipeline explosion in a San Francisco Bay Area neighborhood.
NEW YORK (AP) - The nation's top dollar store chains are betting big that their once-thriving business will make a comeback if they band together.
LOS ANGELES (AP) - A wild chase that began Monday with two men in an SUV firing on pursuing police ended several hours later with one suspect dead, another arrested, and a SWAT officer with a gunshot wound to the leg, Los Angeles authorities said.
FERGUSON, Mo. (AP) - Protesters have gathered daily, with some crowds turning violent, since a police officer fatally shot 18-year-old Michael Brown on Aug. 9 in the St. Louis suburb of Ferguson. Here's a look at key elements of the shooting and the unrest that followed: