As Trump focuses on expanding the U.S. map, residents of Washington D.C. and Puerto Rico have spent years advocating for their own statehood.

The Puerto Rican crested toad may be new to the general public, but the Fort Worth Zoo began efforts to preserve this amphibian in the 1980s.

When President Jimmy Carter commuted the prison sentences of the four living Puerto Rican nationalists who launched attacks against members of Congress and President Harry S. Truman in the 1950s ...