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Spaceanswers alternatives & similar sites

Space.com: NASA, Space Exploration and Astronomy News — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
3dastronomer.net ↗	74 match 1 shared topics	3D Astronomer, Space Exploring The Cosmos, Stars or Outer Space.	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
spaceolympiadbd.com ↗	73 match 1 shared topics	Space Exploration Olympiad	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spaceexplorationcentral.com ↗	73 match 1 shared topics	Space Exploration Central	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
space2101.com ↗	72 match 1 shared topics	Space 2101 – What will space exploration look like in the year 2101?	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
spaceedu.org ↗	71 match 1 shared topics	SpaceEdu \| Satellite, Robots, Space exploration & Space Education	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
antarikshnitkkr.live ↗	71 match 1 shared topics	Antariksh NIT Kurukshetra \| Space and Astronomy Club	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
crystalpalacespace.com ↗	71 match 1 shared topics	Crystal Palace Space: Exploring Astronomy, Space Tech & Cosmic Discoveries	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spaceexploration92.com ↗	71 match 1 shared topics	Space Exploration » Beyond Infinity	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
spaceforspace.org ↗	71 match 1 shared topics	Astronomy and Physics \| A Space For Space	en	space-and-astronomy Wix	robotsllmsaihumans	emailphone	partial · 8
americasspace.university ↗	70 match 1 shared topics	The Future of Space Exploration \| University of Central Florida	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cosmicspinpro.com ↗	70 match 1 shared topics	Cosmic Spin Pro: Exploring Astrophysics and Space Discoveries	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spacesurgeryinstitute.com ↗	69 match 1 shared topics	Space Surgery Institute « Innovations for Space Exploration	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
csparc.org ↗	69 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
rokets.com ↗	69 match 1 shared topics	Exploring the World of Space Exploration at Rokets.com	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spacedad.net ↗	69 match 1 shared topics	Space Dad – Space, Astronomy, Rocketry, Posterity	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
spacedad.org ↗	69 match 1 shared topics	Space Dad – Space, Astronomy, Rocketry, Posterity	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
spacescience360.com ↗	69 match 1 shared topics	Space Science 360 \| Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astrocollective.co.uk ↗	68 match 1 shared topics	Astro Collective UK \| Stargazing Tips & Astronomy News	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.