Visitors to Wikipedia who see advertisements on the site have most likely fallen victim to a browser-based malware infection, Wikimedia Foundation, the organization operating the website, said on Monday.

The announcement last week that the Wikimedia Foundation will switch from Google Maps to OpenStreetMap for its cartographic needs marks the latest in an increasingly long line of high-profile defections.

Giant domain name registrar GoDaddy.com has pulled its support from the controversial Stop Online Piracy Act after owners of several websites announced they would take their business elsewhere.

Online encyclopedia Wikipedia isn't in danger of dying, but an extra dose of contributors would give it a much-needed shot in the arm.

The Wikimedia Foundation is in the process of adding a ratings feature to all English-language articles on Wikipedia, so that readers can evaluate their quality based on several criteria.

Jimmy Wales, co-founder of Wikipedia, has revoked some his site founder's privileges after contributors protested that he had deleted images of children without warning.

Wikipedia and other Wikimedia Foundation Web sites went down for hours on Wednesday in a global outage caused by a domino effect of technical problems.

The English-language Wikipedia should have a system in place by December to vet anonymous edits for certain high-profile entries, according to the online encyclopedia's founder.