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Expired Science & Research domains on .org with backlinks

Updated Part of Science & Research · .org

This page lists 699 expired Science & Research domains on .org. Each has expired, is available to register, and has referring domains that survived the original site going offline. That is 33% of the 2,059 Science & Research listings and 5% of the 13,428 .org listings in the directory. Across the slice, the median listing here has 10 to 50 referring domains; 521 carry at least one named linking source; 699 had their availability re-checked in the last 30 days; 59 are open, with the name already shown; 12 sit in the top band of 250 or more referring domains. Of the 699 with a recorded registration era, 33% were first registered in 2010 to 2014, the largest band, with registrations running from the 1995 to 1999 band to the 2025 to 2029 band. The most common linking sources are Wikipedia (164), Hacker News (31) and Europa EU (29).

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About this list

Narrowing a category to one extension is how a registrar choice or a market focus usually starts: the same topic reads differently on .org than elsewhere, and the extension decides who can register the name.

Every listing is verified the same way as the rest of the directory. Availability is re-checked against the live DNS root over DNS-over-HTTPS, and a listing that turns out to be registered is removed. Referring domains are counted from our own web crawl, not from a paid link index. Site history comes from archived captures: the archived snapshot count and the span of years the site was captured. Revised Score blends link-graph centrality, referring domains and site history into one 0 to 100 grade, computed across the whole directory.

At a glance

Cite as: “Expired Science & Research domains on .org with backlinks”, Revised, https://getrevised.com/market/domains/category/science/tld/org. Last updated 7 November 2026. Updated continuously; free listings and paid plans show names; others masked.

As of 7 November 2026, the Revised directory of expired Science & Research domains on .org with backlinks holds 699 listings, each classified from its archived content. All have expired and are available to register. The median listing has 10 to 50 referring domains, and 12 have 250 or more. Spam-flagged names are filtered out, and 699 (100%) had availability re-checked within 30 days. 521 (74%) carry a link from a tracked university, encyclopedia or news site. Referring domains come from our own web crawl. 59 (8%) are free listings: name and exact counts shown, the rest stay masked except on Starter and Business. Search and filters need no account; masked names stay masked on Free.

Listings
699
Free listings
59 (8%)
Median ref. domains
10 to 50
Named sources
521 (74%)
Re-checked, 30 days
699 (100%)
Last updated
7 Nov 2026

Frequently asked questions

How many expired Science & Research domains on .org are listed?
699 at the last count. Every one has expired, is available to register, and has referring domains counted from our web crawl. The count updates as listings are added and as availability re-checks remove names that were registered.
How are these Science & Research .org listings verified?
Availability is re-checked against the live DNS root over DNS-over-HTTPS, history comes from archived captures, and referring domains are counted from our web crawl. A listing found to be registered is removed. Names are masked on Free; Starter and Business show every name, and metrics are open.
How do I narrow Science & Research .org further?
Use the filters to pivot: change the referring domain band, minimum age or Revised Score, or clear the preset to see the whole directory. Compare listings on site history before choosing one, then register the name at any registrar that offers it.

DR: Domain Rating by Ahrefs

Directory listings. Up and Down move between rows; Enter opens the listing; Right and Left move through the row’s controls.
Actions
gekleinfoundation.org.orgScience & Research51PLOS$9921 yr.org44Open
.orgScience & Research<100–9Purdue UniversityUnder $10015 yr.org65
iapop-conference2007.org.orgScience & Research30Wikipedia$9919 yr.org49Open
anisometry.org.orgScience & Research31Columbia University$4915 yr.org23Open
.orgScience & Research<100–9UC Santa BarbaraUnder $10010 yr.org63
.orgScience & Research<100–9Princeton UniversityUnder $10010 yr.org92
.orgScience & Research<100–9Harvard UniversityUnder $10013 yr.org88
.orgScience & Research<1030–49Europa EUUnder $10015 yr.org88
bicycleastronomy.org.orgScience & Research31Wikipedia$4914 yr.org—Open
.orgScience & Research<1010–19NOAAUnder $10024 yr.org92
.orgScience & Research<100–9Columbia UniversityUnder $10011 yr.org89
.orgScience & Research<100–9WikipediaUnder $10021 yr.org65
.orgScience & Research<1030–49Europa EUUnder $10023 yr.org88
nanobusinesstalent.org.orgScience & Research21Duke University$9917 yr.org25Open
nubc2013.org.orgScience & Research37Harvard University$4913 yr.org9Open
ljunganvirus.org.orgScience & Research<102Wikipedia$4917 yr.org—Open
fil-nac.org.orgScience & Research30Wikipedia$997 yr.org35Open
.orgScience & Research<100–9Hacker NewsUnder $10014 yr.org61
.orgScience & Research<1030–49Europa EUUnder $1007 yr.org88
sipes-houston.org.orgScience & Research<101Wikipedia$4925 yr.org23Open
.orgScience & Research<1010–19University of CambridgeNISTUnder $10020 yr.org90
neral.org.orgScience & Research<104Wikipedia$4919 yr.org53Open
.orgScience & Research<1010–19IEEEUnder $10013 yr.org92
cassandradispatch.org.orgScience & Research30Hacker News$494 yr.org44Open
.orgScience & Research<100–9University of British ColumbiaUnder $1007 yr.org64
naceymagg.org.orgScience & Research34PLOS$9913 yr.org45Open
.orgScience & Research<100–9Europa EUUnder $10021 yr.org88
.orgScience & Research<100–9Arizona State UniversityUnder $10016 yr.org65
.orgScience & Research<100–9Columbia UniversityUnder $10012 yr.org89
chemplugin.org.orgScience & Research20Wikipedia$4913 yr.org—Open
pulsotron.org.orgScience & Research<100Wikipedia$4912 yr.org—Open
.orgScience & Research<100–9National Institutes of HealthNCBIUnder $1007 yr.org65
.orgScience & Research<100–9Harvard UniversityUnder $10019 yr.org88
.orgScience & Research<100–9Wikimedia FoundationUnder $1006 yr.org65
.orgScience & Research<100–9UC BerkeleyUnder $10010 yr.org87
.orgScience & Research<100–9UCLAUnder $10011 yr.org64
.orgScience & Research<100–9WikipediaUnder $1008 yr.org69
.orgScience & Research<100–9Arizona State UniversityUnder $10010 yr.org65
.orgScience & Research<100–9Hacker NewsUnder $10011 yr.org62
eriovixiagryffindori.org.orgScience & Research20Wikipedia$497 yr.org—Open
cricketcongress2015.org.orgScience & Research20Wikipedia$4912 yr.org—Open
.orgScience & Research<1030–49Europa EUUnder $10013 yr.org88
linkstothedamnpaper.org.orgScience & Research20Hacker News$4913 yr.org22Open
.orgScience & Research<1020–29NatureUnder $10017 yr.org93
iaptrc6.org.orgScience & Research20Wikipedia$496 yr.org0Open
.orgScience & Research<100–9National Institutes of HealthNCBIUnder $1009 yr.org86
orsiahmedabad.org.orgScience & Research<100Wikipedia$4919 yr.org—Open
.orgScience & Research<100–9University of FloridaUnder $1006 yr.org64
wiseconsortium.org.orgScience & Research<101Wikipedia$4918 yr.org55Open
.orgScience & Research<100–9NatureUnder $10019 yr.org93
601–650 of 694