/r/space: news, articles and discussion

Public description

Share & discuss informative content on:

  • Astrophysics
  • Cosmology
  • Space Exploration
  • Planetary Science
  • Astrobiology#### Description ##ABOUT r/space

Share & discuss informative content on:

  • Astrophysics
  • Cosmology
  • Space Exploration
  • Planetary Science
  • Astrobiology


Timezone is UTC

Date | Event :-:|:-

  • View Full Calendar

  • To suggest events, message the moderators

##SUBMITTING LINKS Please use original sources for content wherever possible. Please limit yourself to no more than 5 submissions per 24 hours.


  • Informative high-quality articles, news & videos
  • Peer-reviewed research papers that are publicly available
  • Academic texts that are publicly available

Not Allowed

  • Sensationalized/misleading titles or Unscientific content
  • Blogspam, links behind a paywall, or pirated content
  • Social media links (Facebook, Twitter, Instagram, etc.)

Exception: Twitter links are allowed only for breaking news by official sources. Examples:
1. Pluto flyby announcements by NASA
2. SpaceX launch coverage by SpaceX

  • Duplicate/re-hosted content (use Reddit Search)
  • Petitions/surveys/crowd-funding
  • Shortened links/mobile links

##SUBMITTING IMAGES & GIFs Only allowed on Sundays UTC. Short videos without meaningful audio content qualify as GIFs.


  • Directly linked quality images/GIFs with an appropriate and concise title

  • Include information about the subject, equipment, processing, and name of the photographer

  • If you are the photographer do not include additional demographic information, the image should stand on its own merit

  • Recommended subreddits: r/spaceporn, r/astrophotography & r/astronomy for images and r/spacegifs for GIFs.

Not Allowed

  • Memes/low quality images
  • Reaction GIFs
  • Re-hosted content (use KarmaDecay)
  • Misleadingly edited images

##SUBMITTING A TEXT POST Straightforward questions (who/what/where) belong to the Weekly Space Questions thread (pinned at the top)


  • Informative & thought-provoking posts
  • Open-ended questions that promote discussion
  • Highly recommended subreddit: r/askscience

Not Allowed

  • ELI5/PSA styled posts
  • Posts that only state your opinion and don't engage the community


Remember the Human


  • On topic comments that convey meaningful information
  • Backup scientific claims with appropriate links

Not Allowed

  • Low-effort/short comments
  • Off-topic comments
  • Unscientific comments (e.g. Flat Earth)
  • Image-only comments
  • Memes/jokes/circle-jerk/trolling/insults

General Reddiquette applies

Please report comments & links that don't follow the rules

Moderation will be strictly enforced on those not following the rules


We have a discord server at discord.gg/CPbsdTprab, feel free to join.


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The most common phrases the members use:

first time
space program
observable universe
right here
first time since

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