sciencemag.org
Mixed
Results vary across sciencemag.org: of 11 URLs tested, 1 is blocked, 1 is disrupted some of the time, 8 load normally and 1 has no conclusive recent result. The site itself, https://sciencemag.org, loads normally. The Great Firewall resets the connection. 364 tests have been run under this domain since 2012-04-02, the most recent on 2026-08-01.
The site itself
http://sciencemag.orgNot blockedhttps://sciencemag.orgNot blockedhttp://www.sciencemag.orgNot blockedhttps://www.sciencemag.orgas of 2026Not blockedPages and subdomains (7)
http://cts.sciencemag.orgIntermittenthttp://intl.sciencemag.orgUnresolvablehttp://stm.sciencemag.org/content/by/yearNot blockedhttp://www.sciencemag.org/content/344/6187/953as of 2026Blockedhttp://www.sciencemag.org/site/feature/data/prusiner/214.xhtmlNot blockedhttp://www.sciencemag.org/careers/2014/03/careers-statistics-evolve-and-expandas of 2026Not blockedhttps://www.sciencemag.org/news/2021/07/nobelists-decry-chinese-government-s-censorship-attempts-nobel-summitas of 2026Not blockedAbout sciencemag.org and the Great Firewall
Results vary across sciencemag.org: of 11 URLs tested, 1 is blocked, 1 is disrupted some of the time, 8 load normally and 1 has no conclusive recent result. The site itself, https://sciencemag.org, loads normally. The Great Firewall resets the connection. 364 tests have been run under this domain since 2012-04-02, the most recent on 2026-08-01.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks sciencemag.org. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Most-blocked .org domainsEvery tested URL under sciencemag.org
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.