Life Outside Earth

How special are the circumstances that have allowed complex life, like animals and plants, to develop on Earth? In this activity students systematically investigate the time frame for complex life to develop on Earth.

Ask a Scientist & Big Bang questions

A couple great sites for searching previously asked questions that are answered by scientists.

Ask A Scientist Search Engine

Curious About Astronomy? Ask an Astronomer (Cornell University)

FAQs in Cosmology (UCLA)

Some pages I found related to the Big Bang:

Hubble Expansion and Speed of Galaxies

Old Light

The Age of the Universe