Search for alien life gets boost at twin star
The universe is looking increasingly crowded as scientists Tuesday announced the first proof twin stars can host multiple planets -- boosting their search for a planet that could support life.
Angry families demand funds over US shooting
Families of victims of the Colorado movie theater shooting voiced anger Tuesday over the distribution of funds intended for them, saying they had so far received only a tiny slice.
Planet pop: NASA beams first song from Mars
NASA transmitted the first song to be broadcast from Mars on Tuesday, by Grammy-winning US musician will.i.am, as part of efforts to inspire young people to get interested in science.
Ann brings the love as Romney wraps up nomination
Republicans crowned Mitt Romney the presidential nominee on Tuesday as his wife Ann sold their wholesome family and college sweetheart love story to US voters in a prime-time convention speech.
Syria foreign minister accuses US of stoking violence
Syria's foreign minister accused the United States of being the "major player" encouraging anti-government rebels, but vowed the regime would not deploy chemical weapons in an interview published Tuesday.
Three US Marines punished over Taliban urination video
Three US Marines have pleaded guilty and been sanctioned for urinating on the corpses of Afghan Taliban fighters and posing for pictures with the dead.
Shaking 'swarm' fuels California's quake jitters
A "quake swarm" that has shaken southern California with hundreds of moderate temblors in quick succession is fueling jitters in the Golden State, long braced for the Big One.
In climate landmark, Arctic ice melts to record low
The sea ice in the Arctic Ocean has melted to its smallest point ever in a milestone that may show that worst-case forecasts on climate change are coming true.
Isaac near hurricane force, New Orleans prepares
The people of New Orleans on Monday prepared themselves for yet another hurricane -- seven years after the fabled city of jazz was swamped by Hurricane Katrina, which left 1,800 dead.
Apple hits new record after big US court victory
Apple shares soared to a new all-time high Monday after the US tech giant's big win in a patent lawsuit against South Korea's Samsung, which saw its own stock tumble.
All nine wounded in NY shooting hit by police: official
All nine people wounded in a New York shootout between a gunman who killed a former co-worker and officers who responded to the incident were hit by police fire.
US approves new once-a-day pill to treat HIV
A new pill to treat HIV infection -- combining two previously approved drugs plus two new ones -- has been approved for adults living with the virus that causes AIDS, US regulators said Monday.
Obama, Aldrin praise 'American hero' Neil Armstrong
President Barack Obama and astronaut Buzz Aldrin led tributes Saturday to the famed Apollo 11 commander Neil Armstrong, the first man on the moon, lauding him as a reluctant but true American hero.
Pro-Palestinian activists barred from West Bank visit
Israel and Jordan on Sunday barred pro-Palestinian US and European activists from trying to cross into the West Bank to deliver aid to students, a number of sources said.
Space race, on a budget, was not how Armstrong saw it
More than 40 years after Neil Armstrong landed on the moon, humans continue to push the frontiers of space exploration but missions are being tempered by costs, a trend that concerned the astronaut.
Storm lashes Florida, delaying Republican convention
Tropical Storm Isaac lashed southern Florida Sunday and was expected to become a hurricane, forcing a one-day delay of the US Republican convention, after killing seven people in Haiti.
'Expendables 2' holds lead in N. America box office
A-list action romp "The Expendables 2" held onto the top rung of the North American box office for a second weekend, keeping "The Bourne Legacy" at bay, industry estimates showed Sunday.
Romney 'birther' line the latest in campaign distractions
A social policy debate has dogged Mitt Romney's campaign message, but he caused his own distraction Friday when he dredged up the conspiracy over President Barack Obama's birth certificate.
US court rejects graphic cigarette warnings
A US court on Friday shot down orders to slap graphic anti-tobacco messages on cigarette packs, saying the government overstepped its authority by trying to "browbeat" smokers into quitting.
Nike stands by Armstrong after he loses titles
US sporting goods giant Nike was one of several sponsors sticking by Lance Armstrong on Friday after the US Anti-Doping Agency stripped the cycling legend of his record seven Tour de France titles.