CHIPSat: A planned mission by the SpaceDev commercial corporation. Includes an overview of the mission and information on its experiments.
Cluster: Four spacecraft orbiting the Earth to observe magnetosphere and other solar physics phenomena. News, orbital position, mission overview and scientific resources.
Earth Observing 1: Technology mission designed to demonstrate advanced land imaging instruments. Features description of the mission, spacecraft and technologies.
Earth Observing System (EOS): EOS is the centerpiece of NASA's Earth Science Enterprise (ESE). Includes a science component and a data system supporting a coordinated series of polar-orbiting and low inclination satellites for long-term global observations of the land surface, biosphere, solid Earth, atmosphere, and oceans.
ENVISAT: Satellite to measureme the atmosphere, ocean, land, and ice over a five year period. Extensive news, mission, user services and products info.
Explorer Spacecraft Series: Information and data listing the Explorer series of spacecraft (1958-1991).
Explorers Program: Information from the Goddard Space Flight Center on the current mission objectives and schedules.
Imager for Magnetopause to Aurora Global Exploration: Information on the IMAGE mission at Southwest Research Institute.
Keo: To be launched in 2005, Keo will fly through space for 50,000 years before returning to Earth to deliver messages. You can enter a message free of charge.
Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX): Offers overview and results of a scientific space mission to study the charged particles from the Sun. Includes extensive scientific articles on results from the mission.
Solar Radiation and Climate Experiment (SORCE): Features the project page of an Earth orbiting spacecraft to study the Solar radiation.
Terra (EOS AM-1): The flagship of the NASA Earth Observing System. Terra will enable new research into the ways that Earth's lands, oceans, air, ice, and life function as a total environmental system.
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).
Vanguard: A History: Story of the Vanguard satellite program. Discusses the planning, setbacks, successes, and launchings, and includes effects of individual and mass psychology.