LOS ANGELES - New photographs from space suggest that water occasionally flows on the frigid surface of Mars, raising the tantalizing possibility that the Red Planet is hospitable to life, scientists reported Wednesday.
SOUTH PLAINFIELD, N.J. - Taco Bell ordered scallions removed from its 5,800 U.S. restaurants Wednesday after tests suggested they may be responsible for the E. coli outbreak that has sickened at least three dozen people in three states.
WASHINGTON - President Bush's policy in Iraq ''is not working,'' a high-level commission said Wednesday in a blunt, bleak assessment that called for an urgent diplomatic attempt to stabilize the country and allow withdrawal of most U.S. combat troops by early 2008.
SOUTH PLAINFIELD, N.J. - All 11 Taco Bells implicated in an E. coli outbreak in New York and New Jersey used the same food distributor, the restaurant chain said Tuesday as health officials tried to pinpoint the source of the dangerous bacteria that sickened at least three dozen people.
NEW YORK - Yes, said Toni Lewis, as she caught a quick dinner on the run at McDonalds before her child's piano lesson. Maybe New York City IS going too far telling people what they can and can't put into their stomachs. But you know what?
WASHINGTON - Robert Gates won approval by a Senate panel Tuesday to be the next defense secretary after telling the senators the U.S. is not winning the war in Iraq and there could be a ''regional conflagration'' if the country is not stabilized.
BAGHDAD, Iraq - Iraq's prime minister reversed course Tuesday and said his envoys will talk with Iraq's neighbors about the possibility of a regional conference on quelling the violence here, despite opposition to the plan by some key political allies.
JACKSON, Miss. - For Mississippian Rick Looser, the last straw came on an airline flight a couple of years ago when a 12-year-old Connecticut boy sitting next to him asked: ''Do you still see the KKK on the streets every day?''
NEW YORK - Many companies are starting to sound like moms: They're pushing employees to eat their vegetables and go outside and play. And they're not being gentle about it.
BAGHDAD, Iraq - Four U.S. Marines died when a Sea Knight helicopter plunged into a lake in volatile Anbar province, the military said Monday, raising to 13 the number of American troops killed during a bloody weekend in Iraq.
WASHINGTON - A half century after the Supreme Court outlawed state-sponsored school segregation, five of nine justices indicated Monday that school systems may run afoul of the Constitution by using students' race to promote diversity.
CHICAGO - Scientists for the first time have grown human heart valves using stem cells from the fluid that cushions babies in the womb - offering a revolutionary approach that may be used to repair defective hearts in the future.
WASHINGTON - A big drop in gas prices pushed consumer costs down for a second straight month, and factories staged a modest rebound - signs the Federal Reserve is managing to stem inflation without pushing the country into recession.
HANOI, Vietnam - Visiting a land where America suffered military defeat, President Bush urged patience for positive results in Iraq on Friday and tried to stiffen global resolve to challenge a nuclear-armed North Korea.
BAGHDAD, Iraq - British ground forces and U.S. military helicopters fought with gunmen Friday in southern Iraq where four American security contractors and their Austrian co-worker were abducted in a convoy hijacking near the Kuwait border.
FRUITLAND PARK, Fla. - Ann Hunnewell and her central Florida police officer husband knelt in the living room of a fellow officer's home, with pillow cases as makeshift hoods over their heads. A few words were spoken and they, along with a half-dozen others, were initiated into the local chapter of the Ku Klux Klan, she says.
WASHINGTON - When you die, should your loved ones have access to your Facebook, Yahoo and other online accounts?
CHICAGO - Unexplained rash? Check your iPad. It turns out the popular tablet computer may contain nickel, one of the most common allergy-inducing metals.
WASHINGTON - A key Republican said Friday that President Barack Obama's multibillion-dollar emergency request for the border is too big to get through the House, as a growing number of Democrats rejected policy changes Republicans are demanding as their price for approving any money.
LOWELL, Mass. - Seven people died in a fast-moving Massachusetts apartment fire in the predawn hours Thursday, officials said.
NEW ORLEANS - Former New Orleans Mayor Ray Nagin was sentenced Wednesday to 10 years in prison for bribery, money laundering and other corruption that spanned his two terms as mayor - including the chaotic years after Hurricane Katrina hit in 2005.
WASHINGTON - Cleveland won the unanimous backing of a Republican National Committee panel on Tuesday, all but guaranteeing the GOP's 2016 presidential pick will accept the party's nomination in perennially hard-fought Ohio.
ATLANTA - A government scientist cleaning out an old storage room at a research center near Washington made a startling discovery last week - decades-old vials of smallpox packed away and forgotten in a cardboard box.
KILL DEVIL HILLS, N.C. - Proving far less damaging than feared, Hurricane Arthur left tens of thousands of people without power Friday in a swipe at North Carolina's dangerously exposed Outer Banks, then brought lousy Fourth of July beach weather to the Northeast as it veered out to sea.
KILL DEVIL HILLS, N.C. - A strengthening Hurricane Arthur forced thousands of vacationers on the North Carolina coast to abandon their Independence Day plans while cities farther up the East Coast rescheduled fireworks displays threatened by rain from the storm.
WASHINGTON - Many of the 8 million Americans signed up under the new health care law now have to clear up questions about their personal information that could affect their coverage.
WASHINGTON - Supreme Court justices found more common ground than usual this year, and nowhere was their unanimity more surprising than in a ruling that police must get a judge's approval before searching the cellphones of people they've arrested.
WASHINGTON - Republicans called it a win for religious freedom. The decision of the Supreme Court, they said, is further evidence the country's new health care law is deeply flawed.
NEW YORK - A federal judge has overturned the conviction of a former New York City police officer accused of plotting to kidnap, kill and eat young women.
WASHINGTON - A sharply divided Supreme Court ruled Monday that some companies with religious objections can avoid the contraceptives requirement in President Barack Obama's health care overhaul, the first time the high court has declared that businesses can hold religious views under federal law.