Northrop Grumman's first "Cygnus XL" cargo ship departed the International Space Station Thursday morning (March 12), and is scheduled to deorbit and burn up in Earth's atmosphere this weekend. When you buy through links on our articles, Future and its syndication partners may earn a commission. The first mission of Northrop Grumman's big new cargo spacecraft is nearly over. That freighter, known as Cygnus XL, left the International Space S... [2141 chars]