NASA furnishes a fabulous cosmology tutorial about the big bang theory and the evolution of the universe. Visitors can discover the foundation of the big bang theory (general relativity, the Cosmological Principle), the...

This site is part of an online textbook, Fundamentals of Physical Geography by Michael Pidwirny, and provides an online chapter about the past, present, and future of the universe. Images illustrate the concepts...

PBS presents a timeline of the universe from the Big Bang to the future. This interactive website offers concise introductions to many of the key developments of the universe including the formation of elements, the...

CNN provides an article about a group of Australian scientists' findings of a new string of galaxies that could challenge the big bang theory. Astronomer Dr. Paul Francis states: "We are looking back four-fifths of the...

This lab activity provided by the University of Washington's Astronomy Department, gives an introduction to Big Bang Nucleosynthesis. This lab helps students understand why helium abundance in our universe provides...