Astrophysics

Hosted by Harvard/Smithsonian/NASA, gateway to the online Astronomy and Physics literature. Users can search the 5.6 million entries and browse the many full text journals.

Maintained by a private corporation, this site covers recent news, related websites, and official reports by NASA, NIH, and other authoritative sources. Coverage beyond the search for life includes astrochemistry, astrophysics, and the effect space has had on life on Earth.

This site is from the Library of Congress that has a wide variety of sources for Astronomy.

This independently maintained site contains the name, formula, original report and date of detection, and location for each chemical found in space.

This frequently updated site catalogs all ongoing efforts to find extrasolar planets as well as the planets themselves.

The Space Telescope Science Institute maintains this site which covers the lastest news and discoveries from the Hubble Telescope as well as galleries of it's previous pictures.

The official site of the National Aeronautics and Space Administration features age specific resources including text, images, video, and various multimedia applications. The site also covers the most recent news and developments in the field.

NED is a comprehensive database of multiwavelength data for extragalactic objects, providing a systematic, ongoing fusion of information integrated from hundreds of large sky surveys and tens of thousands of research publications.