A North Carolina man was arrested on suspicion of attempting to carry explosives through a security checkpoint at an airport in Midland, Texas, federal authorities said.

A 4.0-magnitude earthquake struck eastern Ohio on Saturday, a week after a similar but smaller tremor rattled the region, the U.S. Geological Survey reported.

Authorities have offered a reward but have made no arrests in a series of fires the mayor of West Hollywood has called a "new form of domestic terrorism."

After a year marked by a wave of popular uprisings, deadly natural disasters and continued economic uncertainty, millions around the world are set to ring in 2012 with a party.

TV stations aligned with Sunni and Shiite extremist groups, many of whom attacked U.S. troops, have dubbed it the "Day of Defeating the Occupier."

More than 5,800 people, including 395 children, died in 2011 during the crackdown on protests in Syria, according to an opposition activist group.

The first of twin research spacecraft entered the moon's orbit Saturday, part of an effort to learn more about how it and other terrestrial bodies formed, NASA said.

President Obama on Saturday signed a $662 billion defense authorization bill despite "serious reservations" about provisions that regulate the detention, interrogation, and prosecution of suspected terrorists.

As they do every December 31, revelers around the world spent Saturday-into-Sunday ushering in the new year in their distinctive way. One of the most common was by watching fireworks light up the nighttime sky, though people also found other ways to celebrate and do all that they can to make sure the next 12 months proceed as they wish.

A 16-year-old boy was killed at an anti-government demonstration in the city of Sitra on Saturday, Bahrain's largest opposition bloc said.