The Big Bang Theory is more than a television show. Pupils read how Edwin Hubble observed other galaxies and noticed that the galaxies are moving away from each other. Scholars learn about the idea of the big bang and what happened next...

A website all about planetary mysteries—it's a one-stop-shop for all things, stars, planets, and space travel. Scholars read an astronomy overview to discover the page's big ideas, then choose from the plethora of resources, including...

This video segment adapted from NOVA tells the story of two scientists who inadvertently discovered microwave radiation, now believed to be heat left over from the Big Bang. [4:58]

A detailed examination of "what is known about the Big Bang itself, the age of the universe, and the synthesis of the first atoms."

Cosmology is the study of the "large scale properties of the universe as a whole." In this set of sites, NASA provides information on the Big Bang Theory in a simplified language. The beginning, evolution, structure, fluctuations and...

This site provides an introduction to the origin of the universe for the young child and the Big Bang theory. There is also a song about the Doppler Shift. Vocabulary glossary and printable version available.

Find out about the Steady State Theory of the origin of the universe. Learn about the scientific thinking and historical findings supporting this theory which states that new matter is continuously being created.

Find out about the life and work of the father of the Big Bang theory, Georges Lemaitre. This article describes the origin of the cosmology theory and its growing acceptance among scientists. This is an excerpt from COSMIC HORIZONS:...

From ABC News in Science, Larry O'Hanlon's article suggests the possibility of the Big Bang having been created out of the remains of a previous universe which collapsed upon itself.

We have all heard of the Big Bang Theory for the beginning of the universe, but there are other theories of how it all began. Here is a brief explanation of the Steady State Theory, a theory which is no longer thought to be a possibility.

Bite-size introduction to two scientists-Hubble and Lemaitre-who played key roles in formulating the theory of the origin of the universe known as the big bang. Includes an interactive timeline on which you can plot out the approximate...

Try this introduction to ideas about how the universe began and how it might end. Topics include; the big bang and its echoes, antimatter, and inflation/expansion of the universe.

This site has a lesson plan in which students gather evidence supporting the Big Bang Theory using a balloon model of the expanding universe.

Beginning with an image termed the "Brief History of the Universe" this site examines (briefly, as noted) a timeline of the universe as dictated by the image. The timeline includes information on the big bang theory, the dark ages, the...

This hour long program by NOVA is split into six segments and examines a issues influencing scientists' current understanding of how the universe was formed. This includes The Big Bang and its lasting effects.

Explore some of our most fundamental questions about space exploration with this research overview collected by scientists at the National Science Foundation. Additionally, experience deep space first-hand with telescope interactives.

This site provides a description of the universe and what it contains. Includes links to definitions, activities, and an audio song. Printable version available.

How did our universe get here? A beginner's research page answers this question for young learners.