Sites like NASA

01 · Entity

About NASA

NASA nasa.gov

NASA

NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.

Wikidata: American space and aeronautics agency

Top 1K · #385 English 14 technologies Crawled Nov 6, 2026

Visit NASA

Summary by Claude

Official website of the U.S. civil space agency, publishing news, images, videos and mission information on space exploration, Earth and planetary science, astrophysics and aeronautics research, plus educational resources and business opportunities.

Who it’s for

General public, students, educators, researchers

Business model

Government funded

• space agency
• space missions
• James Webb Space Telescope
• Hubble images
• upcoming rocket launches
• astronauts and ISS
• Mars exploration
• STEM education resources
• skywatching tips

02 · Embedding space

Competitor map

Each alternative by how close its vector is to NASA’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   European Space Agency esa.int Top 10K English

   Homepage

   The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, Earth observation and space science.

   • Apple Business
   • Atlassian
   • Google Search Console
   • Microsoft 365
   • Fastly
   • Mailjet

   0 say European Space Agency is a good alternative to NASA 0 say European Space Agency isn’t a real alternative to NASA

   Comment
   Very close cos 0.938
2. 02
   space.com Top 10K English

   Space.com: NASA, Space Exploration and Astronomy News

   Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.

   • Google Search Console
   • Google Tag Manager
   • Microsoft 365
   • Bing Webmaster Tools
   • Comscore
   • Fastly

   0 say space.com is a good alternative to NASA 0 say space.com isn’t a real alternative to NASA

   Comment
   Very close cos 0.936
3. 03
   ScienceDaily sciencedaily.com Top 10K English

   ScienceDaily: Your source for the latest research news

   Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computers, engineering, health & medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations.

   • Google Search Console
   • jQuery
   • Bootstrap
   • Cloudflare
   • Cloudflare DNS
   • Font Awesome

   0 say ScienceDaily is a good alternative to NASA 0 say ScienceDaily isn’t a real alternative to NASA

   Comment
   Very close cos 0.918
4. 04
   CIA cia.gov Top 10K English

   CIA

   national foreign intelligence agency of the United States

   • Akamai Edge DNS
   • Akamai
   • Gatsby
   • React

   0 say CIA is a good alternative to NASA 0 say CIA isn’t a real alternative to NASA

   Comment
   Very close cos 0.914
5. 05
   United States Department of Defense defense.gov Top 10K

   executive department of the United States federal government

   • Akamai Edge DNS
   • Google Search Console
   • Akamai
   • Google Workspace

   0 say United States Department of Defense is a good alternative to NASA 0 say United States Department of Defense isn’t a real alternative to NASA

   Comment
   Very close cos 0.914
6. 06
   CISA cisa.gov Top 10K English

   Home Page | CISA

   Cybersecurity and Infrastructure Security Agency: America's Cyber Defense Agency

   • Atlassian
   • Google Search Console
   • Google Tag Manager
   • jQuery
   • Microsoft 365
   • OpenAI

   0 say CISA is a good alternative to NASA 0 say CISA isn’t a real alternative to NASA

   Comment
   Very close cos 0.912
7. 07
   United States Department of State state.gov Top 1K English

   Technical Difficulties

   executive department of the U.S. federal government

   • Akamai Edge DNS
   • Apple Business
   • Atlassian
   • DocuSign
   • Google Search Console
   • Microsoft 365

   0 say United States Department of State is a good alternative to NASA 0 say United States Department of State isn’t a real alternative to NASA

   Comment
   Very close cos 0.913
8. 08
   Live Science livescience.com Top 10K English

   Live Science | Latest science news and articles for those with curious minds

   Daily discoveries, groundbreaking research and fascinating science breakthroughs that impact you and the wider world, reported by our expert journalists.

   • Google Search Console
   • Google Tag Manager
   • Microsoft 365
   • Bing Webmaster Tools
   • Cloudflare
   • Comscore

   0 say Live Science is a good alternative to NASA 0 say Live Science isn’t a real alternative to NASA

   Comment
   Very close cos 0.913
9. 09
   Ars Technica arstechnica.com Top 10K English

   Ars Technica - Serving the Technologist since 1998. News, reviews, and analysis.

   News and reviews, covering IT, AI, science, space, health, gaming, cybersecurity, tech policy, computers, mobile devices, and operating systems.

   • Google Search Console
   • Google Tag Manager
   • jQuery
   • PHP
   • WordPress
   • Google Workspace

   0 say Ars Technica is a good alternative to NASA 0 say Ars Technica isn’t a real alternative to NASA

   Comment
   Very close cos 0.913
10. 10
    United States Army army.mil Top 10K English

    The Official Home Page of the United States Army

    The latest news, images, videos, career information, and links from the U.S. Army

    • Atlassian
    • Google Search Console
    • Google Tag Manager
    • Google Analytics

    0 say United States Army is a good alternative to NASA 0 say United States Army isn’t a real alternative to NASA

    Comment
    Very close cos 0.911
11. 11
    NSF nsf.gov Top 10K English

    NSF - U.S. National Science Foundation

    NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories.

    • Atlassian
    • Google Search Console
    • Google Tag Manager
    • jQuery
    • Microsoft 365
    • PHP

    0 say NSF is a good alternative to NASA 0 say NSF isn’t a real alternative to NASA

    Comment
    Very close cos 0.909
12. 12
    ScienceAlert sciencealert.com Top 10K English

    ScienceAlert : The Best in Science News And Amazing Breakthroughs

    The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

    • Google Search Console
    • Google Tag Manager
    • jQuery
    • PHP
    • WordPress
    • Cloudflare

    0 say ScienceAlert is a good alternative to NASA 0 say ScienceAlert isn’t a real alternative to NASA

    Comment
    Very close cos 0.912
13. 13
    National Oceanic and Atmospheric Administration noaa.gov Top 1K

    ERROR: The request could not be satisfied

    agency in the United States Federal Government

    • Apple Business
    • Atlassian
    • DocuSign
    • Google Search Console
    • Microsoft 365
    • Amazon CloudFront

    0 say National Oceanic and Atmospheric Administration is a good alternative to NASA 0 say National Oceanic and Atmospheric Administration isn’t a real alternative to NASA

    Comment
    Very close cos 0.909
14. 14
    Scientific American scientificamerican.com Top 10K English

    Scientific American

    Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

    • Google Search Console
    • Google Tag Manager
    • Amazon CloudFront
    • GlobalSign
    • Meta Business Suite
    • Amazon Route 53

    0 say Scientific American is a good alternative to NASA 0 say Scientific American isn’t a real alternative to NASA

    Comment
    Very close cos 0.911
15. 15
    United States Department of Education ed.gov Top 10K

    Azure WAF

    Azure WAF

    • Akamai Edge DNS
    • Apple Business
    • Atlassian
    • Google Search Console
    • Microsoft 365
    • OpenAI

    0 say United States Department of Education is a good alternative to NASA 0 say United States Department of Education isn’t a real alternative to NASA

    Comment
    Very close cos 0.909
16. 16
    United States Navy navy.mil Top 10K

    maritime branch of the United States military

    • Microsoft 365
    • Akamai

    0 say United States Navy is a good alternative to NASA 0 say United States Navy isn’t a real alternative to NASA

    Comment
    Very close cos 0.907
17. 17
    CNRS cnrs.fr Top 10K English

    Centre national de la recherche scientifique (CNRS)

    Le Centre national de la recherche scientifique est le plus grand organisme public français de recherche scientifique. Il exerce son activité dans

    • Google Search Console
    • jQuery
    • Microsoft 365
    • PHP
    • Drupal
    • Matomo

    0 say CNRS is a good alternative to NASA 0 say CNRS isn’t a real alternative to NASA

    Comment
    Very close cos 0.906
18. 18
    United States Geological Survey usgs.gov Top 10K

    scientific agency of the United States government

    • Atlassian
    • Microsoft 365
    • OpenAI
    • Amazon SES
    • Cloudflare DNS
    • Mailchimp

    0 say United States Geological Survey is a good alternative to NASA 0 say United States Geological Survey isn’t a real alternative to NASA

    Comment
    Very close cos 0.905
19. 19
    White House whitehouse.gov Top 10K English

    The White House

    President Donald J. Trump and Vice President JD Vance are committed to lowering costs for all Americans, securing our borders, unleashing American energy dominance, restoring peace through strength, and making all Americans safe and secure once again.

    • Google Search Console
    • Google Tag Manager
    • Microsoft 365
    • nginx
    • Parse.ly
    • PHP

    0 say White House is a good alternative to NASA 0 say White House isn’t a real alternative to NASA

    Comment
    Very close cos 0.907
20. 20
    The Atlantic theatlantic.com Top 10K English

    Your access has been blocked – The Atlantic

    magazine and multi-platform publisher based in Washington, D.C.

    • Google Search Console
    • Microsoft 365
    • OpenAI
    • Adobe
    • Cloudflare
    • GlobalSign

    0 say The Atlantic is a good alternative to NASA 0 say The Atlantic isn’t a real alternative to NASA

    Comment
    Very close cos 0.908

Ranked by score: the cosine similarity of each site’s vector to nasa.gov’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones NASA uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What NASA is built with, and what its closest competitors use, from its homepage’s code and its DNS records.