Authorities declared an overnight curfew for Saturday after a major earthquake hit New Zealand's second-biggest city.

Mexican police have arrested six suspects in a bar fire that killed eight in the resort city of Cancun.

A team of NASA doctors and engineers recommended Friday that Chilean authorities regulate the day-and-night sleep patterns of 33 trapped miners, boost their Vitamin D intake and phase in an exercise program as their nutrition improves.

A suicide bomber struck a rally in the Pakistani city of Quetta on Friday, killing at least 54 people in the second major attack this week.

A UPS 747 cargo plane with two crew aboard crashed in Dubai shortly after takeoff Friday, the company said.

Experts gathered in Italy Friday offered a generally gloomy outlook — especially for the United States and much of the industrialized world.

People have been using antibiotics for nearly 2,000 years, suggests a new study, which found large doses of tetracycline embedded in the bones of ancient African mummies.