The Flight 370 search zone is now about 16,000 square miles. That section of the Indian Ocean can reach depths close to three miles. Anderson takes a look at some of the high tech tools that are being used to find the source of those pings.
Gary Tuchman reports on why we may never know about some of the assets the U.S. Military is using to search for Flight 370.
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.
Questions or comments? Send an email
Want to know more? Go behind the scenes with