Space
- 421
- How Terraforming Mars Will Work
- An article from the "How Stuff Works" site with detailed information on terraforming Mars.
- 422
- The Drexlerian Terraformation of Mars
- Subtitle: A New Ark for Humanity. A technical article on terraforming from the Newsletter of the Molecular Manufacturing Shortcut Group.
- 428
- Diary of the Salyut 1 Mission
- Description of the Salyut 1 space station, its onboard equipment and its mission, together with a detailed diary of onboard events.
- 429
- Diary of the Salyut 4 Mission
- Description of the Salyut 4 space station, its onboard equipment and its mission, together with a detailed diary of onboard events.
- 430
- Diary of the Salyut 6 Mission
- Description of the Salyut 6 space station, its onboard equipment and its mission, together with a detailed diary of onboard events.
- 431
- Diary of the Salyut 7 Mission
- Diary of events surrounding Salyut 7 space station starting from its launch to orbit in 1982 until 1986.
- 433
- Explorer Spacecraft Series
- Information and data listing the Explorer series of spacecraft (1958-1991).
- 434
- Imager for Magnetopause to Aurora Global Exploration
- Information on the IMAGE mission at Southwest Research Institute.
- 435
- TIMED
- Extensive press kit for NASA's planned two-year TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics) mission, aimed at studying the Mesosphere and Lower Thermosphere/Ionosphere (MLTI).
- 436
- Vanguard: A History
- Story of the Vanguard satellite program. Discusses the planning, setbacks, successes, and launchings, and includes effects of individual and mass psychology.
- 437
- JAXA - TRMM
- Information, photos, and data from the Earth Observation Research Center of Japan Aerospace Exploration Agency.
- 438
- Wikipedia - Tropical Rainfall Measuring Mission
- Includes an overview of the program and summary of specifications.