Wikipedia is a free online encyclopedia featuring openly editable content created and sourced by users from around the world.

What is Wikipedia and how does it work? Let's take you through the ins and outs of the biggest free encyclopedia around.

Wikipedia is a free online encyclopedia featuring openly editable content created and sourced by users from around the world.

Here are some of the pros and cons to college students using Wikipedia in their research and assignments, from two research and instruction librarians at the University of Dayton.

Wikipedia has shut down its English-language site for 24 hours in protest at draft American laws to stop online piracy. But what is Wikipedia and how does it work? Here's Newsround's guide to the ...

Okay, so Wikipedia doesn’t help SEO via inbound or outbound links, and its guidelines expressly prohibit the creation of entries for marketing. What’s a search engine optimizer to do?