The first-ever daily pill to help prevent HIV infection was approved Monday by US regulators for use by healthy adults who are at risk for getting the virus that causes AIDS.
Some scientists say sporting records are starting to flatline and one day will become near impossible to beat without drugs, gene splicing or futuristic technology.
US screen actor Sylvester Stallone said Monday there was "no greater pain" than losing a child, and called for an end to speculation about the death of his eldest son Sage last week.
US Secretary of State Hillary Clinton on Monday said Washington would use "all elements of its power" to prevent Iran going nuclear and was working in "close consultation" with Israel over how to do so.
The release by prosecutors of allegations of childhood molestation against Florida teen shooter George Zimmerman drew an angry response Monday from the murder suspect's lawyer.
US President Barack Obama refused to apologize Sunday for accusing Mitt Romney of outsourcing jobs while in charge of Bain Capital, a charge his Republican opponent has dismissed as "false."
Oscar-winning actress Celeste Holm -- who was the original girl who couldn't say no in the musical "Oklahoma!" -- has died aged 95, her family and reports said Sunday.
US Secretary of State Hillary Clinton met Sunday with Egypt's top military leader urging him to support a transition to civilian rule amid fears that the promise of hard-won freedoms could be slipping away.
A bear which became a minor star in Los Angeles, with over 24,000 Twitter followers, was returned to the wild Sunday after being found asleep in a tree.
Republican Mitt Romney on Friday angrily blunted "false" attacks about his time at Bain Capital but did not cede to demands to release more tax returns that have dogged his White House bid.
The US on Friday announced charges against an Iranian citizen and Chinese resident for allegedly trying to export nuclear-related material to help Tehran enrich uranium.
The public knowledge website is more than a decade old and remains among the top 10 Internet sites in the world, but some say it is becoming old and dowdy. Others want to keep it that way.