Cryptologists found and decoded over 50 long-lost letters that Mary, Queen of Scots wrote during her time in captivity. A historian calls them the most important new findings about her in 100 years.

Jim Metzner has traveled far and wide to record sounds of the world and share them with listeners. The Library of Congress will preserve thousands of tapes and other items dating back to the 1970s.

Between 1956 and 1961, "To Kill a Mockingbird" author Harper Lee wrote a series of personal letters , now available to the public at Emory University's...