NASA Quest Challenges are Web-based, interactive explorations designed to engage students in authentic scientific and engineering processes. The solutions relate to issues encountered daily by NASA personnel.

The content of NASA Quest Challenges follows real NASA tasks with the goal of involving young people in developing tomorrow's solutions, while inspiring them towards careers in science and engineering. As students work in teams to mirror NASA career roles, agency experts are available to more...

This online full course published by MIT under Creative Commons License introduces the concepts and applications of navigation techniques using celestial bodies and satellite positioning systems such as the Global Positioning System (GPS). Topics include astronomical observations, radio navigation systems, the relationship between conventional navigation results and those obtained from GPS, and the effects of the security systems, Selective Availability, and anti-spoofing on GPS results. Labora more...

Cosmos and History is a peer-reviewed, open-access journal of natural and social philosophy. It serves those who see philosophy's vocation in questioning and challenging prevailing assumptions about ourselves and our place in the world, developing new ways of thinking about physical existence, life, humanity and society, so helping to create the future insofar as thought affects the issue. Philosophy so conceived is not exclusively identified with the work of professional philosophers, and the j more...

A physics/introductory website for middle-school aged children that tells the story of the history of the universe. Explains fundamental topics such as the big bang, atoms, galaxies, molecules, and planets.

NSDL is a digital library of exemplary resource collections and services, organized in support of science education at all levels. Starting with a partnership of NSDL-funded projects, NSDL is emerging as a center of innovation in digital libraries as applied to education, and a community center for groups focused on digital-library-enabled science education.

The National Science Digital Library (NSDL) was created by the National Science Foundation to provide organized access to high quality r more...

SkyView is a Virtual Observatory on the Net generating images of any part of the sky at wavelengths in all regimes from Radio to Gamma-Ray.