President Obama and his Chinese counterpart, Xi Jinping, emerged from talks determined to avoid the pitfalls of a rising power confronting an established one.    

As stratification becomes more pronounced in all corners of America, theme parks have adopted a tiered model, with special access and perks for those willing to pay.    

Former Gov. Paul Cellucci, a typically moderate New England Republican, also served as ambassador to Canada.    

As the justices on the Supreme Court consider two major cases on same-sex marriage, students of the court say factors other than just legal issues may play a role.    

Sean Benschop will be charged with involuntary manslaughter in the deaths of six people last week.    

A revolution in software technology has transformed the National Security Agency by providing automated and instantaneous analysis of volumes of digital information.    

A man who killed four people in a shooting spree carried a large weapons cache, indicating he might have planned a much larger attack than he was able to carry out.    

Politicians like Senators John McCain, Lindsey Graham and Richard J. Durbin are perennial guests on the networks’ political news programs.    

President Obama and President Xi Jinping of China ended two days of informal meetings, moving closer on pressuring a nuclear North Korea, but remaining divided over cyberespionage.    

All-cash buyers are making it more difficult for first-time buyers to purchase a home in a market that has changed significantly, and prices are quickly rising.    

The Obama administration defended its collection of private Internet and telephone data, arguing that a secret program called Prism is simply an “internal government computer system.”    

In one attack, an Afghan soldier opened fire on international troops serving with him in eastern Afghanistan, officials said, killing two American soldiers and a civilian. In the second attack, an Italian soldier was killed when a grenade was thrown at him.    

Former Massachusetts Gov. Argeo Paul Cellucci died of complications from ALS, also known as Lou Gehrig’s disease. He was 65.    

Cory Booker, who as mayor of Newark has become a national celebrity, said he would run in the special election to fill the seat vacated when Frank Lautenberg died.    

Residents, who reported hearing gunshots and seeing a bus with its rear and side windows shattered by bullets, captured videos from the scene and posted updates to Twitter.    

Two of the finest presidential speeches of the 20th century, by John F. Kennedy, on the Soviet Union and civil rights, also had immediate results.    

The questions are almost unchanged from nearly a year and a half ago, when the fatal shooting of a black teenager by a volunteer neighborhood guardian became a cause célèbre.    

The topsy-turvy world of the markets — particularly the ultralow yield of bonds — is upending what many people thought they knew about saving for retirement.    

The administration has begun helping Middle Eastern allies build their defenses against Iran’s cyberweapons and will do the same in Asia to contain attacks from North Korea.    

A gunman strode across Santa Monica firing at people, cars, a public bus and buildings before being shot and killed by the police.