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.
LAGRANGE, Ohio (AP) - The death of a healthy high school student initially baffled the local coroner until testing of a white powdery substance found in his home came back as caffeine.
DETROIT (AP) - A man who was punched in the head over the weekend while refereeing an adult-league soccer match in suburban Detroit died Tuesday, authorities and a longtime friend of the referee said.
LAKE HAVASU CITY, Arizona (AP) - The London Bridge is not falling down, despite a British tabloid saying that the western Arizona tourist attraction could be bulldozed to make way for drug tourism.
CEDAR RAPIDS, Iowa (AP) - Searchers recovered the body of a teenager who was swept into a storm drain in Cedar Rapids by fast-moving flood waters, a tragic end to an intense daylong search, authorities said Tuesday.
GETTYSBURG, Pa. (AP) - A Maryland woman poisoned her young sons with eye drops and faces charges of aggravated assault and endangering the welfare of children, Pennsylvania police said.
CHAMBLEE, Ga. (AP) - Three men who scaled a median and tried to cross about a dozen lanes of a metro Atlanta freeway were struck and killed by a pickup early Tuesday, snarling traffic into rush hour and puzzling police, who said they were unsure why the group made the risky move.
• POLICE CHARGE PA. MAN FOUND DRIBBLING ALONG I-78: BETHLEHEM, Pa. (AP) - A 22-year-old Pennsylvania man faces charges after police encountered him dribbling a basketball along Interstate 78 near Bethlehem.
WASHINGTON (AP) - President Barack Obama defiantly dared congressional Republicans on Tuesday to try to block his efforts to act on his own and bypass a divided Congress that has thwarted his policy initiatives.
NEW YORK (AP) - A former New York Police Department officer left jail on Tuesday after a judge stunned prosecutors and overturned his conviction in a sensational case accusing him of plotting on the Internet to kidnap, kill and eat young women, including his wife.
GILBERT, Ariz. (AP) - The U.S. Supreme Court announced Tuesday that it will decide whether an Arizona town violates the First Amendment by restricting where and when a church can place signs advertising Sunday morning services.
ALBANY, N.Y. (AP) - The state's highest court ruled Tuesday that a local cyberbullying law is overbroad and violates Constitutional free speech protections, noting that "the First Amendment protects annoying and embarrassing speech."
NEW YORK (AP) - The newest weapon in the breakfast wars is a biscuit shaped like a taco.
DETROIT (AP) - A Detroit mother was arrested Tuesday after the frozen bodies of a boy and girl were found in a deep freezer in the family's home, police said.
HARRISBURG, Pa. (AP) - A Pennsylvania police officer was charged Tuesday with criminal homicide after investigators concluded she shot an unarmed motorist in the back as he lay facedown after a traffic stop over an expired inspection sticker.
CHARLOTTE, N.C. (AP) - A Charlotte man who has continually irritated his neighbors by standing naked in the front door of his home has exposed a state law that local prosecutors want to change.
NEW YORK (AP) - Children under 2 will not be allowed juice at New York City-licensed day cares and all other children will be limited to 4 ounces of juice a day, under new rules adopted by the city's Board of Health.
HOUSTON (AP) - A court hearing has been set for April 17 on whether a temporary hold on President Barack Obama's immigration executive action should be lifted, a federal appeals court announced Tuesday.
WHIPPANY, N.J. (AP) - New Jersey Gov. Chris Christie spent much of a town hall-style meeting Tuesday in his state talking up what he believes makes a winning candidate and espousing the principle that rights and liberties come from God, not government.
WASHINGTON, D.C. (AP) - Half of the U.S. households eligible for help buying insurance last year under the health care overhaul will likely have to repay some of that aid this tax season, thanks to the tricky task of predicting future income.
WASHINGTON (AP) - Federal workers and retirees owed more than $3.5 billion in unpaid taxes last year, a $200 million increase over the previous year, the IRS said Tuesday.
SAN FRANCISCO (AP) - Would you pay to see some of the Internet's best video clips first? Vessel, a new service trying to change the way that short video pieces make money on the Internet and mobile devices, is betting on it.
WASHINGTON (AP) - Responding to pressure from Congress and veterans groups, the Department of Veterans Affairs said Tuesday it is relaxing a rule that makes it hard for some veterans in rural areas to prove they live at least 40 miles from a VA health site.
ST. GEORGE, Utah (AP) - An 89-year-old Utah man says he feels lucky to be alive after being stung nearly 400 times during a bee attack at a baseball game.