The TalkOrigins Archive explores the creationism/evolution controversy in support of mainstream scientific thought, but it includes many links to creationist and intelligent design networks and articles.

The American Association for the Advancement of Science is a nonprofit organization that publishes the journal Science. It has issued a resolution on intelligent design, which it calls a challenge to science education.

The National Center for Science Education defends the teaching of evolution.

The National Science Teachers Association has made an organizational statement that recommends “emphasizing” the theory of evolution in the classroom.

The National Association of Biology Teachers promotes biology and life science education. Its members have made a statement in favor of the teaching of evolution theory.

The International Society for Complexity, Information and Design is a nonprofit that proposes to “retrain the scientific imagination to see purpose in nature.”

Answers in Genesis is a Christian group that promotes creationism. It runs the Creation Museum in Petersburg, Ky.

Reasons to Believe is a Christian ministry that supports people who want to find scientific proof of biblical events.

The Alpha Omega Institute promotes the teaching of creationism.