Mozilla, the maker of of Firefox, announced on Tuesday that it has struck a new three-year deal with Google for it to remain the default search engine in the browser. The Mozilla Foundation has renewed its deal with Google for it to remain the default search engine in Firefox. Photo credit: Pixelbully The financial terms were not disclosed, but reaching a new deal with Google has been seen ascritical for Mozilla, a Silicon Valley non-profit software maker. Mozilla, which is charged with defending openness on the web, recently reported that Google provided the lion's share of its $120m (£76m) in revenues in 2010. That was an 18-percent jump in revenue from 2009. For more on this ZDNet UK-selected story, see Google renews search deal for Firefox on CNET News.