Last week's space walks at the International Space Station took many hours, but they were nowhere near the longest in history. Here are the longest space walks ever, and the U.S. astronauts who took them.
1. James Voss, Susan Helms - March 10-11, 2001 - 8 hours, 56 minutes
2. Thomas D. Akers, Richard J. Hieb, Pierre J. Thuot - May 13, 1992, 8 hours, 29 minutes
3. John M. Grunsfeld, Steven L. Smith - December 22, 1999 - 8 hours, 15 minutes
4. C. Michael Foale, Claude Nicollier - December 23, 1999 - 8 hours, 10 minutes
5. John M. Grunsfeld, Steven L. Smith - December 24, 1999 - 8 hours, 08 minutes
Source: Compiled by Time For Kids