In a rule that took effect May 7, all U.S. residents 18 and older who are flying domestically are required to have Real ID-compliant documentation.

Trump administration’s move to make the Real ID mandatory raises questions about how it will affect noncitizens.

Green cards got their nickname because they were green in color from 1950 to 1964. In 2010 they became green again, but the nickname persisted during the intervening decades of blue, pink ...