First, NASA furnishes a fabulous tutorial about the big bang theory and the evolution of the universe (1). Visitors can discover the foundation of the big bang theory, the observational tests, and the limitations and extensions of the theory. The second website, developed by Maxine Phaisalakani at the University of Toronto, introduces in a slide show presentation research that led to the discovery...

With Macromedia Flash Player, this website, created by the Physics Division of Lawrence Berkeley National Laboratory, "presents an interactive tour of the history and the fate of the universe." By taking a journey through the universe, students can learn about the expansion of the universe. The site provides logical explanations of cosmic distances, the Big Bang, dark matter, and much more....

Inviting users to click their way through the cosmos, The Size of Space wowed readers. Designed by "creative coder" Neal Agarwal, the resource makes complicated astrology concepts a bit more tangible. Readers who enjoy this piece will also want to check out Agarwal's entire Neal.fun website, home to a variety of equally impressive data visualization projects (including two other previous Scout...