With one-fifth of states seeing active measles outbreaks, the U.S. is nearing 900 cases, according to figures posted Friday ...

New research shows that North America is slowly sinking into the earth, and there's nothing we can do to stop it.

Southwest Airlines is the largest carrier in the US by passenger volume. It has stuck to its strategy of streamlining airline operations to maintain lower unit costs than its full-service rivals, ...

Pulitzer Prize-winning author Greg Grandin joins Morning Joe to discuss his new book 'America, América: A New History of the New World'.

The Lyrid meteor shower—also known as the April Lyrids—is an annual meteor shower that typically occurs between April 15 and 29.

A silent crisis slithers through the sunbaked deserts and rugged mountains of the American Southwest—a crisis woven from ...