Current News |
| Space.com | Top stories relating to space activities. |
| redOrbit - Astronomy | Current astronomy and space news plus much more. |
| Universe Today | Space news from around the Internet, updated every weekday. |
| Astronomy Magazine | Astronomy and space news, sky events, and resources. |
| Sky & Telescope Magazine | Magazine of astronomy, news, observing tips, how-to advice. |
Information |
| Cosmos - Encylopaedia Britannica | Encyclopaedia Britannica article on the entire universe. |
| IAU Constellation Charts and Tables | The International Astronomical Union and the 88 Constellations. |
| Astronomical Coordinate Systems | Explanation of common reference points for objects in space. |
| eSky: the electronic sky | Covers the entire universe and cosmic phenomena. |
| The Messier Catalog | Images, info, and links about the Messier Objects. |
| Willmann-Bell Astronomy Books | Astronomy almanacs, handbooks, celestial mechanics books. |
| Atlas of the Universe | Map from the nearest stars to the entire visible universe. |
| Astronomy Software List | Freeware, shareware, commercial, interactive software list. |
Data Sources |
| Astronomical Data Center | Access to published astronomy data, catalogs, and journal tables. |
| CDS Astronomical Data Center | French center for collection and distribution of astronomical data. |
| Star Catalogs | A descriptive list of star catalogs compiled since early human history. |
Images |
| Astronomy Picture of the Day | A different image or photograph of our fascinating universe everyday. |
| Hubble Space Telescope Gallery | Witness the most spectacular and mysterious depths of the cosmos. |
| The World at Night | Historic sites against the backdrop of stars, planets and celestial events. |
| 2MASS Atlas Image Gallery | Two Micron All Sky Survey gallery atlas images and Image Mosaics. |
| Sloan Digital Sky Survey | Collections of images associated with the Sloan Digital Sky Survey. |
| Misti Mountain Observatory | Astrophotography by Jim Misti. |
| Sierra Remote Observatories | Astrophotography from Sierra Remote Observatories. |
| Stéphane Guisard Astrophotography | Los Cielos de Chile spectacular photos of the night sky from the Chilean Andes. |
| Sky-map.org | Consolidated astronomical, astrophysical facts and space objects. |
| Anglo-Australian Observatory | 50+ all-time favorite photos and links to many more. |
| The Universe in Color | Astrophotography by Robert Gendler. |
| The Factory of Night-Sky Wonders | The most beautiful celestial objects as you never have seen before. |
