LOS ANGELES (AP) - Officials say part of the office of Mayor Antonio Villaraigosa has been evacuated after a letter was received with white powder inside.
WASHINGTON (AP) - Congress' most serious gun-control effort in years cleared its first hurdle Thursday as the Senate pushed past conservatives' attempted blockade under the teary gaze of families of victims of December's Connecticut school shootings.
IRVING, Texas (AP) - At least two people were killed and more than 40 were hospitalized after a charter bus careened off a North Texas highway and flipped onto its side Thursday, drawing a large emergency response as rescue crews struggled to reach victims inside, authorities said.
NEW YORK (AP) - The Nobel Prize won by Francis Crick in 1962 for his discovery of DNA was sold Thursday at auction for more than $2 million.
LOS ANGELES (AP) - A German immigrant who spent decades posing as an heir to the fabled Rockefeller oil fortune and using other identities was found guilty Wednesday of first-degree murder in the death of a man whose bones were found buried nearly 20 years ago at a suburban home.
WASHINGTON (AP) - A bipartisan group of senators finalizing a landmark immigration bill has agreed to require greatly increased surveillance of the border and apprehensions of people trying to cross it, a person familiar with the proposals said Wednesday.
ST. LOUIS (AP) - Strong storms sweeping across the Midwest damaged homes and businesses in St. Louis, toppled mobile homes and ripped the roof off a Missouri church, while burying other areas in more than a foot of snow.
WEST COVINA, Calif. (AP) - A man deliberately cut himself with saws in the aisles of a Home Depot store in suburban Los Angeles on Wednesday, creating a gruesome scene in front of several customers that left him severely injured, police said.
SEAL BEACH, Calif. (AP) - A major Southern California freeway is jammed after 10 cars collided in a chain-reaction crash.
HONOLULU (AP) - A veteran rescue swimmer has been charged with desertion after he went missing for three months and triggered a massive search, the Coast Guard said Wednesday.
WASHINGTON (AP) - Conservative senators from both parties announced their support for expanding background checks for gun buyers Wednesday, giving a burst of momentum to advocates of stronger restrictions. But big questions remain about whether President Barack Obama can push significant gun controls through Congress.
CYPRESS, Texas (AP) - A man accused of stabbing more than a dozen people at a suburban Houston community college chose his victims at random, authorities said Wednesday, going from one floor to another as he used a razor utility knife to slice people in the neck and face.
GOODYEAR, Ariz. (AP) - A man charged with fatally stabbing his wife and adult son in their suburban Phoenix home told investigators he carried out the killings out of a fear he had given his wife HIV from prostitutes he used to frequent and out of concern about what would become of his jobless son.
SUWANEE, Ga. (AP) - The gunman holding 4 firefighters was shot dead. The hostages were injured but are OK; only one SWAT officer was hit.
NEW YORK (AP) - Microsoft's Windows 8 software appears to be driving buyers away from PCs and toward smartphones and tablets, research firm IDC said Wednesday. That's leading to the fastest drop in PC sales the firm has ever seen.
WASHINGTON (AP) - The Supreme Court on Tuesday upheld Michigan's ban on using race as a factor in college admissions despite one justice's impassioned dissent that accused the court of wanting to wish away racial inequality.
SANAA, Yemen (AP) - Yemeni forces, reportedly backed by U.S. drone strikes, hit al-Qaida militants for a second straight day Monday in what Yemen officials said was an assault on a major base of the terror group hidden in the remote southern mountains. The government said 55 militants were killed so far.
KIEV, Ukraine (AP) - Russia has "days, not weeks" to abide by an international accord aimed at stemming the crisis in Ukraine, the top U.S. diplomat in Kiev warned Monday as Vice President Joe Biden launched a high-profile show of support for the pro-Western Ukrainian government. Russia in turn accused authorities in Kiev of flagrantly violating the pact and declared their actions would not stand.
SAN JOSE, Calif. (AP) - A 15-year-old boy found his way onto an airport's tarmac and climbed into a jetliner's wheel well, then flew for five freezing hours to Hawaii - a misadventure that forced authorities to take a hard look at the security system that protects the nation's airline fleet.
JINDO, South Korea (AP) - One by one, coast guard officers carried the newly arrived bodies covered in white sheets from a boat to a tent on the dock of this island, the first step in identifying a sharply rising number of corpses from a South Korean ferry that sank nearly a week ago.
NEW YORK (AP) - AT&T plans a major expansion of super-fast Internet services to cover as many as 100 municipalities in 25 metropolitan areas.
CALABASAS, Calif. (AP) - The Los Angeles County Sheriff's Department says former NFL and Southern California receiver Keyshawn Johnson has been arrested after a report of a domestic dispute.
SAN FRANCISCO (AP) - Pacific Gas & Electric Co. pleaded not guilty Monday to a dozen felony charges stemming from alleged safety violations in a deadly 2010 natural gas pipeline explosion that leveled a suburban neighborhood in the San Francisco Bay Area.
HONOLULU (AP) - Officials say a 16-year-old boy is "lucky to be alive" and unharmed after flying from California to Hawaii stowed away in a plane's wheel well, surviving cold temperatures at 38,000 feet and a lack of oxygen.
Meb Keflezighi of San Diego won the men's race in the Boston Marathon Monday, giving the city its long-hoped-for American champion a year after the bombings.
GROTON, Conn. (AP) - With no sunlight to set day apart from night on a submarine, the U.S. Navy for decades has staggered sailors' working hours on schedules with little resemblance to life above the ocean's surface.
KATMANDU, Nepal (AP) - Survivors of Mount Everest's deadliest avalanche recalled scenes of panic and chaos, describing Sunday how they dug through snow with their hands and ice axes in hopes of finding their friends alive.
CAPE CANAVERAL, Fla. (AP) - Space station astronauts got a special Easter treat: a cargo ship full of supplies.
PALMDALE, Calif. (AP) - Officials say a 16-year-old Southern California girl asleep in her bed has died after a driver accused of being drunk crashed his SUV into her home.
DENVER (AP) - Denver police say they have issued 28 citations for public consumption of marijuana and arrested one person accused of attempting to distribute the drug so far this weekend as revelers celebrate the traditional pot holiday of April 20.