Authorities investigating "new message" in Nancy Guthrie disappearance; Man who carved scale model of New York City piece by piece gets museum debut...

Beginning in 2004, Joe Macken carved all five boroughs of New York City out of balsa wood, every site and stadium, and every bridge and building. His creation consists of almost 1 million structures....

US cattle herds hit a 75-year low; Mexican screw worm threatens beef industry and food prices rise sharply....