After a week-long trip to the International Space Station ballooned into a nine-month stay, two NASA astronauts are finally heading home. On Tuesday, if all goes to plan, a capsule will splash down off the Florida coast shortly before 6 p.

A pair of NASA astronauts unexpectedly stuck in space for more than nine months were hours away from returning to Earth on Tuesday, closing out a mission that has captured the world's attention.Butch Wilmore and Suni Williams,