Mystery Space Plane Lands After Nearly Two Years

Friday, October 17, 2014 - 13:30 in Astronomy & Space

No one seems to know anything about the Air Force's X-37B secret space plane except that it seems to be working exactly as designed.

Read the whole article on MSNBC: Science

More from MSNBC: Science

Learn more about

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net