National Science Foundation
Provides information about NSF's mission and activities, and to serve researchers, educators, the media, and other communities.
Online edition of the weekly science magazine publishes articles covering the most important research in all fields of science.
The Why Files: The Science Behind the News
Explores the science, math and technology behind the news of the day, and to present those topics in a clear, accessible and accurate manner.
Animal Diversity Web
University of Michigan Museum of Zoology
An online database of animal natural history, distribution, classification, and conservation biology.
Tree of Life
Organizes, surveys, and displays the diversity, evolutionary history, and characteristics of all groups of living organisms.
A Visual Interpretation of the Table of Elements
This project provides images that explore and reflect upon the diversity of elements that comprise matter.
General Chemistry Online
Fred Senese, Professor of Chemistry, Frostburg State University
Covers the basics of introductory chemistry, including a glossary, a compound library, tutorials and more.
Institute of Physics
Working to advance physics research, application, and education.
American Physical Society
Describes the latest research and the people who are doing it and where to go on the web to find more physics information.
Spectrum of Physics
More than 21,000 links to physics resources covering relativity, black holes, quantum theory, cosmology, thermodynamics, journals, study guides, and more.
Sky & Telescope Magazine
A great astronomy website, covering a wide range of topics, geared toward amateur astronomers and space buffs.
Material about geology and earth sciences, including maps and discussions of a wide variety of topics (such as meteor impact craters, rebuilding New Orleans, and waterfalls of the United States).