Tropical Storm Alberto swirled off the South Carolina coast, packing maximum sustained winds of 50 mph on Sunday.

One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude-6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said.

For Facebook founder and CEO Mark Zuckerberg, it was quite a week _ from birthday, to IPO, to I DO.

Flood waters ravaged a provincial capital in northern Afghanistan, killing at least 19 people and destroying hundreds of homes.

World leaders weary of war will tackle Afghanistan's post-conflict future _ from funding for security forces to upcoming elections _ when the NATO summit opens Sunday.

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

The White House isn't sounding exactly confident that a deal will be completed by the end of the NATO summit.

A blind Chinese legal activist who escaped house arrest, endured a nearly monthlong diplomatic tussle and a hurried daylong flight paused ever so briefly upon his arrival in New York City before taking up a familiar fight.

DOUMA, Syria (Reuters) - A roadside bomb exploded on Sunday 150 meters from a United Nations convoy carrying the head of a Syria ceasefire monitoring mission in the town of Douma, a Reuters witness said.

CHICAGO (Reuters) - NATO leaders gather in Chicago on Sunday for a summit that will chart a path out of Afghanistan, as Western nations seek to fend off fissures in their alliance and ensure Afghanistan can hold a still-potent Taliban at bay when foreign troops withdraw.

TRIPOLI (Reuters) - The former Libyan intelligence officer convicted of the 1988 Lockerbie bombing that killed 270 people has died, his brother said on Sunday. He was 59.

BONDENO, Italy (Reuters) - A strong earthquake rocked a large swathe of northern Italy early on Sunday, killing at least four people, injuring dozens and seriously damaging historic buildings such as churches, bell towers and a mediaeval castle.

TRIPOLI, Lebanon (Reuters) - Lebanese soldiers shot dead a Sunni cleric and a second member of a Lebanese political alliance against Syrian President Bashar al-Assad in northern Lebanon on Sunday, security sources said.

ISLAMABAD (Reuters) - Pakistan on Sunday blocked access to Twitter in response to "blasphemous" material posted by users on the microblogging and social networking website, a senior government official said.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate campaign spending.

Magnitude-6.0 earthquake, one of the strongest to hit northern Italy, kills at least four people, topples some buildings and sends residents running into the streets.PHOTOS: Historic Buildings Crumble After Quake Hits Italy

Group of Eight warns N. Korea it faces more sanctions if provocative acts like failed rocket launch continue 3 Charged in Alleged Terror Plot at NATO Summit Thousands of Protesters Prepare for March Outside NATO SummitChicago's Wall of Security Penetrated By President Obama

Historic civil rights group backs gay marriage, as board members cite commitment to equality for allGay Marriage Big Voting Issue in ColoradoObama Takes Women's Issues From Campaign Trail to World Stage

Facebook founder and CEO Mark Zuckerberg marries girlfriend of nine years in a surprise ceremonyFacebook's Overnight Millionaires Begin Lavish Spending Spree

Scientists call ship one of the most well-preserved, as gin, wine bottles and muskets are found near the wreck

Protesters gathering in Chicago for the NATO summit were gearing up for their largest demonstration Sunday, when thousands are expected to march from a downtown park to the lakeside convention center where President Barack Obama and dozens of other world leaders will meet.

A strong earthquake struck early Sunday in northern Italy, killing at least seven people and knocking down a church bell in the region, authorities said.

World leaders weary of war will tackle Afghanistan's post-conflict future when the NATO summit opens Sunday.

Kristen Wiig got a musical sendoff on the season finale of "Saturday Night Live" as the popular and versatile cast member made her exit after seven years.

Featured in Bully, Sioux City is now known as the place where a student was relentlessly bullied and adults did little to stop it.

A day after the historic Facebook IPO, founder and CEO Mark Zuckerberg updated his status Saturday to "married."

(Reuters) - Facebook co-founder and CEO Mark Zuckerberg wed longtime girlfriend Priscilla Chan on Saturday, announcing the nuptials through a status update on the social networking site.

Kentucky Derby winner I'll Have Another won the 137th running of the Preakness Stakes on Saturday, keeping its hopes for the coveted Triple Crown alive.

Two suspects in a fatal bombing outside a school in Italy have been identified, a prosecutor said.

A growing number of parents and educators are urging Michigan lawmakers to change the date by which kids can enter kindergarten.

Since Affirmed last won horse racing's Triple Crown in 1978, 11 3-year-olds have won both the Kentucky Derby and the Preakness _ but fallen short in the Belmont Stakes. I'll Have Another will try to snap that streak on June 9.

The western United States and eastern Asia will be treated this weekend to a rare solar spectacle when the moon slides across the sun, creating a "ring of fire."

The road map out of the war in Afghanistan is expected to be drawn up by U.S. President Barack Obama and other world leaders when they gather Sunday at the NATO summit in Chicago.

Chen Guangcheng, the Chinese human rights activist who ignited a diplomatic frenzy when he escaped house arrest last month, says he is at a Beijing airport about to board a flight for New York.

Joplin, Mo., residents recover from last year's deadly tornado that left 161 people dead and hundreds more injured.