"The definitive rock art book on Painted Bluff, Alabama"--

Few of us can venture outside on a clear, dark night and not pause for a silent, reflective look at the stars. For countless centuries people have felt a sense

A theoretical astrophysicist explores the ideas that transformed our knowledge of the universe over the past century. The cosmos, once understood as a stagnant

On July 23, 1999, the Chandra X-Ray Observatory, the most powerful X-ray telescope ever built, was launched aboard the space shuttle Columbia. Since then, Chand

Argues that theoretical physics and cosmology can provide a key to overcoming race-related problems, explaining how they enable a means for discussing individua