China’s news agency says ship heard pulse signal at same frequency as an aircraft black box.
A new analysis of radar data suggests the plane flew faster than thought and used up more fuel.
Chinese satellite image renews hope that some part of Flight 370 can be found in the remote Indian Ocean.
Searchers have not yet found the two objects in the southern Indian Ocean.
Evidence suggests Malaysia Airlines Flight MH370 stayed in the air for several hours after final contact with ground controllers.
Government official says engine data suggests the Boeing 777 stayed in the air after communications were lost.
The head of the organization that monitors the nuclear test ban treaty says he has asked its experts to see if they detected an explosion at high altitude of the missing Malaysian Airlines plane.
4 Americans were on board the Boeing 777 that lost contact with air traffic controllers over the South China Sea.