NEW YORK (AP) - As the U.S. wrestles with its biggest whooping cough outbreak in decades, researchers appear to have zeroed in on the main cause: The safer vaccine that was introduced in the 1990s loses effectiveness much faster than previously thought.
WASHINGTON (AP) - The ranks of America's poor remained stuck at a record level last year while household income dropped. Still, the number of people who don't have health insurance declined.
SAN FRANCISCO (AP) - Authorities say four people who have been waiting for organ transplants have received the organs of a California Highway Patrol officer who died after being shot during a traffic stop on a San Francisco Bay area freeway.
WASHINGTON (AP) - Just three week after the Obama administration started accepting applications from young illegal immigrants seeking to avoid deportation and get a work permit, the government already has approved some of the roughly 72,000 applications the government has received.
RENO, Nev. (AP) - The annual air race in Nevada's Valley of Speed has a new name. Fans returning to see vintage World War II fighter planes this weekend streak across the sky will sit farther away. And a redesigned course poses less risk as pilots make the final turn toward the finish line.
WASHINGTON (AP) - President Barack Obama and first lady Michelle Obama are at Arlington National Cemetery visiting the graves of service members killed in Afghanistan and Iraq.
HONOLULU (AP) - Hawaii has paid nearly $400,000 in worker's compensation benefits to a former Kauai man who has been dead for more than 20 years.
NEW YORK (AP) - There were still the tearful messages to loved ones, clutches of photos and flowers, and moments of silence. But 11 years after Sept. 11, Americans appeared to enter a new, scaled-back chapter of collective mourning for the worst terror attack in U.S history.
OAK CREEK, Wis. (AP) - A white supremacist who killed a half-dozen people at a Sikh temple in suburban Milwaukee last month chased down the first police officer on the scene, pumping round after round into him as he lay wounded behind a parked car, video released Monday showed.
NEW YORK (AP) - The Sept. 11 anniversary ceremony at ground zero has been stripped of politicians this year. But can it ever be stripped of politics?
NEW YORK (AP) - A debate over balancing the need to honor the memory of Sept. 11 with the enormous costs of running a memorial and museum at ground zero has been reawakened on the eve of the attacks' 11th anniversary, as officials faced questions Monday over the project's expected $60 million-a-year operating budget.
The families of those who lost loved ones on Sept. 11, elected officials and other public figures will mark the 11th anniversary of the attacks today. Some of the events:
SYCAMORE, Ill. (AP) - The murder of a 7-year-old Illinois girl that haunted the nation more than 50 years ago went to trial Monday, starting with a prosecutor accusing the defendant of discarding the body like "a piece of garbage."
CHICAGO (AP) - For the first time in a quarter century, Chicago teachers walked out of the classroom Monday, taking a bitter contract dispute over evaluations and job security to the streets of the nation's third-largest city - and to a national audience - less than a week after most schools opened for fall.
NEW YORK (AP) - An agreement that paves the way for the completion of the Sept. 11 museum at ground zero was reached on the eve of the 11th anniversary of the terror attacks.
LOS ANGELES (AP) - Amazon said Wednesday that it is prepared to go to court against the Federal Trade Commission to defend itself against charges that it has not done enough to prevent children from making unauthorized in-app purchases.
LONDON (AP) - British regulators are investigating revelations that Facebook treated hordes of its users like laboratory rats in an experiment probing into their emotions.
SAN FRANCISCO (AP) - Silicon Valley venture capitalist Tim Draper is betting that bitcoins will bring more financial stability to countries with shaky economies, even though the digital currency faces an uncertain future itself.
LAS VEGAS (AP) - Two major Las Vegas resorts will be completely overhauled and rebranded in another sign that the entertainment capital is emerging from its recession doldrums.
NEW YORK (AP) - Target is "respectfully" asking its customers to not bring firearms into its stores, even where it is allowed by law.