Previously dismissed radio signals were credible transmissions from Earhart

Dozens of previously dismissed radio signals were actually credible transmissions from Amelia Earhart, according to a new study of the alleged post-loss signals from Earhart's plane.

The transmissions started riding the air waves just hours after Earhart sent her last inflight message.

The study, presented on Friday at a three day conference by researchers of The International Group for Historic Aircraft Recovery (TIGHAR), sheds new light on what may have happened to the legendary aviator 75 years ago. The researchers plan to start a high-tech underwater search for pieces of her aircraft next July....