Physical Sciences: Astronomy Sites

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Pro-Con.org is an online resource for research on controversial issues. The stated mission of the website is “Promoting critical thinking, education, and informed citizenship by presenting controversial issues in a straightforward, nonpartisan, primarily pro-con format.”

Well-organized list of links related to astronomy and space. See "other link directories" for even more lists of links.

Astronomy news and information.

Features maps of the universe, zooming out from the nearest stars to the entire visible universe.

The ComPADRE Digital Library is a network of free online resource collections supporting faculty, students, and teachers in physics and astronomy education.

An encyclopedia of space history: rockets, spacecraft, launch vehicles, astronauts, cosmonauts, spaceflights, engines, space exploration, and more.

Google Maps in space.

Informative website on the solar system, stars, galaxies, and other astrophysical phenomena, as well as press releases on research conducted at the center.

Track satellites, locate the planets, and get detailed information on other celestial objects.

This space-based telescope studies the most distant stars and galaxies by the light of the far-infrared and submillimeter portions of the spectrum.

Official website of the Hubble Telescope. Included are news highlights, a gallery of stunning images, information about the telescope and its discoveries, educational resources, and a Hubble FAQ. Site created by the Space Telescope Science Institute's Office of Public Outreach.

Complete guide to the 110 objects recognized as the standard Messier catalog (of nebulae, star clusters, galaxies, etc.). Includes images, histories, descriptions, and additional resources for amateur astronomers.

The collected set of facts, analyses, and conclusions resulting from scientific, technical, and related engineering research and development efforts, both basic and applied. Provides access to over 500,000 aerospace-related citations, over 300,000 full-text documents, and over 500,000 images and videos created or funded by NASA.

Research and educational virtual laboratory dedicated to studies of the habitability of Earth, the solar system, and extrasolar planets.

One of the most ambitious and influential surveys in the history of astronomy. Over eight years of operations, it obtained deep, multi-color images covering more than a quarter of the sky and created 3-D maps containing more than 930,000 galaxies and more than 120,000 quasars.

News and information about meteor showers, near-Earth asteroids, and solar activity, such as sunspots, flares, and displays of the aurora borealis (northern lights).

Non-technical information about astronomy and space exploration, including stargazing tips, FAQs, sky almanac, solar system guide, StarDate magazine articles, and K-12 teacher resources. StarDate Online is the web companion to the syndicated radio program.

Space exploration and astronomy news brought to you from around the Internet, updated daily.

A collection of images and data from several major telescopes, such as Hubble, Spitzer, Chandra, and others.

The major organization of professional astronomers in North America, with a mission to enhance and share humanity's scientific understanding of the universe. Membership also includes physicists, mathematicians, geologists, engineers, and others whose research interests lie within the broad spectrum of subjects now comprising contemporary astronomy.

Fosters scientific curiosity, advances science literacy, and shares the excitement of exploration and discovery by promoting research and education in, and public appreciation and knowledge of, astronomy and related fields of science.