New U.S. Stamps Honor Astronaut Alan Shepard and Mission to Mercury

Wednesday, May 4, 2011 - 13:00 in Astronomy & Space

NASA's history-making first human spaceflight and Messenger mission to Mercury will live on as U.S. postage stamps.

Read the whole article on

More from

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