Investigators are looking into two main paths toward a cure for AIDS, based on the stunning stories of a small group of people around the world who have been able to overcome the disease.
The eight tons of gold, silver and copper unearthed from mines in Mongolia and Utah and now under guard at the Tower of London is the largest ever haul used to make Olympic medals.
The euro inched higher in Asian trade on Wednesday after hitting new multi-year lows against the dollar and yen amid worries over the European debt crisis.
Workers at Penn State University on Sunday used jackhammers and a forklift to remove a statue of legendary football coach Joe Paterno, tarnished by a child sex scandal that saw his top aide imprisoned.
Despite profound soul-searching over the Colorado shooting rampage, there is no political willingness to end the long stalemate over the toxic gun law issue, particularly in a US election year.
US President Barack Obama has warned Syrian strongman Bashar al-Assad it would be a "tragic mistake" to unleash chemical weapons, after Damascus admits it has a stockpile and will use them if attacked.
His hair dyed orange, eyes staring out blankly or drooping shut, presumed Colorado gunman James Holmes seemed unhinged Monday as he made a bizarre first appearance in court.
The most recent Batman movie "The Dark Knight Rises" had the third largest opening weekend ever, despite the movie theater massacre in Aurora, Colorado.
Using cells from rat hearts and a seer polymer film, scientists on Sunday reported they had created an artificial jellyfish that could one day help save patients with heart disease.
Science has given the world "no excuse" to resist bold action against the spread of the 30-year AIDS pandemic, said a top US expert at the opening of the International AIDS Conference on Sunday.
Barring a last minute intervention by the US Supreme Court, a mentally handicapped man will be executed Monday in Georgia, despite protests from around the world -- and from the victim's family.
President Barack Obama paid emotional tribute Sunday to the victims and survivors of the Aurora cinema massacre, as the shaken US town held a tearful vigil for the 12 dead filmgoers.
The euro tumbled below 95 yen for the first time in almost 12 years on Monday as dealers rushed to the safe-haven Japanese unit owing to growing fears about Spain's debt crisis.
US President Barack Obama on Friday praised the courage of dissidents fighting for democracy in Muslim countries, in a message marking the start of the Muslim holy month of Ramadan.
A group of US senators has revived stalled cybersecurity legislation by offering compromises to address civil liberties concerns, an effort quickly endorsed by President Barack Obama.