News Wires, White Papers, and Books
- Linkage and Gene Mapping
- Lipid Bilayers
- Liquid vs. Solid Fuels
- Liquids
- Livestock Manager
- Living Arrangements of the Older Population
- Living Fossils
- Living in Space
- Living on Other Worlds
- Long Duration Exposure Facility (LDEF)
- Long-Duration Spaceflight
- Low Density Lipoprotein (LDL)
- Lunar Bases
- Lunar Development
- Lunar Outposts
- Lunar Rovers
- Made in Space
- Made with Space Technology
- Male Reproductive System
- Manned Maneuvering Unit