Hundreds of people are still missing after a ferry capsized off the coast of South Korea. More than 160 people have been rescued and families are praying more people will be pulled out alive. The U.S. Navy joined the rescue effort. There are serious questions about what caused this disaster and whether the crew responded properly to the emergency. Anderson spoke with James Staples, a cargo ship captain and a maritime safety consultant.
Paula Hancocks has the latest on the rescue mission.
Search officials say they are convinced they are looking in the right area for Flight 370. But, so far, there is no sign of any wreckage from the missing plane. What happens if the search for Flight 370 is off target? Randi Kaye takes a look at what went wrong in the search for billionaire Steve Fossett's plane.
If the Bluefin-21 sonar finds the Flight 370 wreckage authorities will likely call in high-tech equipment that is usually used in oil drilling. Rosa Flores takes a look at the subs that can be used to retrieve objects that are several miles below the ocean's surface.
Scanning the ocean floor is a slow and methodical process. Stephanie Elam got an up close look at how this is done, and the type of images investigators are working with.
Authorities say a cell tower picked up a signal from the phone belonging Flight 370's first officer about a half hour after the plane disappeared from radar. Did other cell phones on board also register signals? Did other cell towers pick up any signals from Flight 370? Pamela Brown looks into these questions.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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