LOS ANGELES (AP) - The Curiosity rover has tasted Mars' air: It's made mostly of carbon dioxide with hints of other gases.
PHILADELPHIA (AP) - A man who allegedly struck and killed a Philadelphia woman and her three sons while drag racing in Philadelphia had been out on bail this year in a $3.6 million ambulance fraud case.
AUSTIN, Texas (AP) - Texas Gov. Rick Perry signed sweeping new abortion restrictions on Thursday that could shutter most of the state's clinics that provide the procedure, a final step for the Republican-backed measure after weeks of sometimes raucous protests at the state Capitol.
BALSAM LAKE, Wis. (AP) - Police on Thursday expressed regret that investigators taking part in an exhaustive all-day search amid blistering heat did not force open the trunk of a car where a missing western Wisconsin toddler was later found dead.
MIAMI (AP) - Trayvon Martin's parents made appearances on network news shows Thursday, saying they are still shocked that jurors acquitted George Zimmerman in the 2012 shooting death of their 17-year-old son.
WASHINGTON (AP) - The investigator who wrote a scathing report about the Internal Revenue Service targeting tea party groups says he is "disturbed" the agency withheld newly released documents showing progressive groups may also have been singled out for additional scrutiny.
DETROIT (AP) - Once the very symbol of American industrial might, Detroit became the biggest U.S. city to file for bankruptcy Thursday, its finances ravaged and its neighborhoods hollowed out by a long, slow decline in population and auto manufacturing.
WELLINGTON, Colo. (AP) - Nine people working at a Colorado farm were injured by a lightning strike Thursday, two of them critically and four seriously, a fire official said.
POLICE: SHOPLIFTING FLA. MOM THREW BABY AT DEPUTY: PENSACOLA, Fla. (AP) - Authorities say a Florida woman she threw her baby at a deputy as she tried to escape when he tried to confront her about shoplifting.
JACKSONVILLE, Fla. (AP) - A Florida teen accused of traveling to the Middle East to train with terrorists is facing federal charges.
LOS ANGELES (AP) - Southern California Edison took an initial legal step Thursday to try to collect millions, or possibly billions, of dollars in damages from the company that built defective equipment that pushed the seaside San Onofre nuclear power plant into early retirement.
AUBURN, Ala. (AP) - Emma the miniature donkey runs around the barnyard and kicks playfully like most any animal her size. But she lacks one thing: A right hind leg.
ATLANTA (AP) - If you're 65 and living in Hawaii, here's some good news: Odds are you'll live another 21 years. And for all but five of those years, you'll likely be in pretty good health.
SEATTLE (AP) - The Washington Supreme Court on Thursday ruled the guardian of an elderly Pierce County woman was not negligent when she didn't force her into a nursing home against her wishes.
LOS ANGELES (AP) - A strange glow in space has provided fresh evidence that all the gold on Earth was forged from ancient collisions of dead stars, researchers reported Wednesday.
CAPE CANAVERAL, Fla. (AP) - Scientists have uncovered a vast ocean beneath the icy surface of Saturn's little moon Enceladus.
FORT HOOD, Texas (AP) - The soldier who killed three people at Fort Hood may have argued with another service member prior to the attack, and investigators believe his unstable mental health contributed to the rampage, authorities said Thursday.
SEATTLE (AP) - A decade before a colossal landslide buried a Washington community, county officials considered buying up people's homes there to protect them from such a disaster.
SYRACUSE, N.Y. (AP) - A city board on Thursday gave a Muslim group the go-ahead to remove six crosses from the roof and spires of a century-old former Catholic church so the now-vacant Gothic structure can be used as a mosque.
BOULDER, Colo. (AP) - Good news for people who are sticklers for punctuality: The National Institute of Standards and Technology has a new atomic clock that isn't supposed to gain or lose a second in roughly 300 million years.
LOS ANGELES (AP) - Three of eight people who contracted bacterial meningitis this year have died, and all three had sex with other men, Los Angeles County health officials said Thursday.
WASHINGTON (AP) - A sense of belonging to the middle class occupies a cherished place in America. It conjures images of self-sufficient people with stable jobs and pleasant homes working toward prosperity.
DENVER (AP) - Organizers of Denver's annual April 20 marijuana festival on Wednesday announced that rapper B.o.B and singer Wyclef Jean will headline the event as they try to draw a big post-legalization crowd and shake the memory of last year's event, which was marred by a still-unsolved shooting.
TRENTON, N.J. (AP) - The Food and Drug Administration said Wednesday that it has approved the first tablet in the U.S. for gradually reducing hay fever symptoms, an alternative to months of weekly doctor visits for uncomfortable allergy-desensitizing shots.
FORT HOOD, Texas (AP) - A gunman opened fire Wednesday at Fort Hood in an attack that left four dead, including the shooter, law enforcement officials said.
WASHINGTON (AP) - The Supreme Court's conservative majority voted Wednesday to free wealthy donors to give to as many political candidates and campaigns as they want, further loosening the reins on giving by big contributors as the 2014 campaign moves into high gear.
DENVER (AP) - A Wyoming college student visiting Denver on spring break jumped to his death after eating a marijuana cookie that his friend legally purchased in one of Colorado's recreational pot shops, authorities said Wednesday.
HARTFORD, Conn. (AP) - Some Newtown residents are calling for the Sandy Hook Elementary School shooter's home to be torn down and replaced with a park or nature preserve, according to a new community survey.
EVERETT, Wash. (AP) - As medical examiners painstakingly piece together the identities and lives of the 29 people known killed when a mudslide wiped out a small Washington community, one mystery troubles them.
CINCINNATI (AP) - A Cincinnati man pleaded guilty to the accidental shooting death of his 11-year-old daughter during a drunken fight with the girl's mother and was sentenced Wednesday to six years in prison.