(sci.space.moderated) Moderated. Discussions about vehicles, missions, policy, books, movies, museums, special events, conferences, auctions and professional issues. Topics on sci-fi,alien sightings, extra-terrestrial reports, ufo's are not welcome.
Threads: 331 Posts: 2,562

(sci.space.news) Announcements of space-related news items such as NASA updates, launch updates, and such like. May include announcements of astronomical events of widespread interest. Discussions should to be directed to other appropriate groups.
Threads: 5,362 Posts: 5,366

(sci.space.shuttle) Discussing the NASA space shuttle and all aspects of the shuttle missions.


Threads: 6,499 Posts: 58,538

(sci.space.station) Discussing Earth's orbiting space stations including Mir Space Station, the International Space Station (ISS) and future space stations. For aerospace corporations, engineers, scientists, schools as well as the home enthusiast.
Threads: 3,002 Posts: 15,513

(sci.space.science) Moderated. Discussing planetary and non-planetary space science including technical issues in planetary science, planetary science space missions, techniques, planet information, space astronomy, physics and stellar science.
Threads: 731 Posts: 2,570

(sci.space.tech) Moderated. Technical issues and related policy issues of space flight; space launch vehicles present, past, proposed, and propulsion, space station design, engineering, operations and any other types of spacecraft technology.
Threads: 1,062 Posts: 8,007

(sci.space.policy) Policy issues not directly related to technical issues in any space field, including government policies, budget priorities, mission type priorities, goals of space programs, the role of governments and space agencies.
Threads: 8,491 Posts: 163,998

(sci.space.history)Discussions on American and Soviet/Russian manned programs (Mercury, Gemini, Apollo, Vostok, Voshkod, and Soyuz), unmanned programs, unbuilt proposals (Dyna-Soar, MOL, System 50-50) and astronauts and cosmonauts from all nations.
Threads: 7,852 Posts: 127,809

(sci.astro) Astronomy discussions and information. Post here when your post is not relevant to other groups.


Threads: 17,152 Posts: 136,862

(sci.astro.amateur) Dedicated to the discussion of topics relating to the hobby of amateur astronomy including observations, equipment, astrophotography, astronomy software and tips and techniques for amateur astronomers.
Threads: 25,695 Posts: 222,594

(sci.astro.ccd-imaging) To discuss the techniques and processes related to the acquisition of the digital data and the processing of that data into images or quantitative astrometric information.

Threads: 748 Posts: 1,959

Moderated. Discussion of astronomy and astrophysics including current or historical research, observations of astrophysical phenomena of interest to researchers (novae, supernovae, variable stars) and announcement of publications.
Threads: 1,099 Posts: 5,250

(sci.astro.fits) This newsgroup will provide a forum for the discussion of all topics concerning the FITS [Flexible Image Transport System] data format.

Threads: 597 Posts: 1,097

(sci.astro.satellites.visual-observe) Discussion and visual observing of artificial satellites. Topics include reports of observations of artificial satellites and space probes using naked eye, binoculars, telescopes, video, or photography.
Threads: 334 Posts: 1,524

(sci.astro.hubble) Moderated. For the dissemination of information about the operations and status of the Hubble Space Telescope (HST). A platform for problems, requests, suggestions and needs of the scientific community for further research.
Threads: 1,519 Posts: 1,524

(sci.astro.seti) Discussion of the Search for Extra-Terrestrial Intelligence, including SETI projects (such as SERINDIP, Phoenix,SETI@home, BETA, ARGUS), the SETI@home client and the possibilities of Alien life (Drake equation, planetary abundance).
Threads: 1,879 Posts: 13,040

(alt.binaries.pictures.astro)
Threads: 2,703 Posts: 11,429

(alt.astronomy.solar) Discussion of solar astronomy including sunspot numbers, prominences, eclipses and sunspot counts and need / want advice and where to send them.
Threads: 438 Posts: 1,573

(uk.sci.astronomy) For amateur and professional astronomers to discuss astronomy within the UK, including observing from the UK, building Telescopes, backyard observatories, astrophotography, astronomy software and relevant Social Events in the UK.
Threads: 7,259 Posts: 46,959

(alt.astronomy) For discussion on astronomy in general.


Threads: 14,452 Posts: 143,828

Any questions or feedback on what this forum is or how this forum operates.