The search for Malaysia Airlines Flight 370 continues more than three weeks after the plane disappeared. An Australian ship is now headed for the search zone, and it's carrying crucial equipment that could help locate the aircraft's black box. Sally Kidd reports from Washington.
A magnitude 7.7 earthquake has struck off Papua New Guinea, the U.S. Geological Survey said Sunday. The quake was 40.8 miles (65.7 km) deep, the USGS said. Its epicenter was 54 km (34 km) southeast of Kokopo, Papua New Guinea.