Astronomy: Web Resources

AAS, established 1899, is the major organization of professional astronomers in North America. The AAS mission is to enhance and share humanity's scientific understanding of the Universe.

ASP offers comprehensive and current resources for the general public, amateur astronomers, educators, families, and children through outreach activities and research guides.

Offers free lectures by professional astronomers, and observing sessions where they set up their telescopes and invite anyone to observe.

The new site IPL2 features a searchable, subject-categorized directory of authoritative websites; links to online texts, newspapers, and magazines on a variety of topics. With its wealth of reliable information, IPL2 is great site for all ages.

The SAO/NASA Astrophysics Data System (ADS) is a Digital Library portal for researchers in Astronomy and Physics, operated by the Smithsonian Astrophysical Observatory (SAO). The ADS maintains three bibliographic databases containing more than 9.4 million records: Astronomy and Astrophysics, Physics, and arXiv e-prints.

NASA Images, a free service of the Internet Archive and the U.S. National Aeronautics and Space Administration, provides "access to NASA's image, video, and audio collections." Content is divided into five sections: Universe, Solar System, Earth, Aeronautics, and Astronauts.

A portal for science information from the U.S. government. The site includes cross-searching of 30 databases as well as links to science pages contributed by 12 federal agencies. It offers an advanced search as well as a browsable directory of resources by topic.

A leading source for news of astronomy, skywatching, space exploration, commercial spaceflight and related technologies.

News, podcasts, blogs, and links about all aspects of astronomy.

The home page of the Hubble Space Telescope. One of the interesting links on this page is under the Projects tab. Here you can find Hubble's Hidden Treasures which features the top 100 pictures. Here you can also search their archives of the thousands of pictures taken by this telescope.