After her lawsuit challenging the Understanding Evolution website on constitutional grounds was dismissed for lack of standing on March 13, 2006, Jeanne Caldwell appealed the decision to the United States Court of Appeal for the Ninth Circuit. In a ruling dated October 3, 2008, the appeals court rejected her appeal, affirming the lower court's decision.

The International Planetarium Society recently issued a statement on the ancient age of the earth and universe, noting that "Many independent lines of scientific evidence show that the Earth and Universe are billions of years old.