A New York Times-bestselling author explains how the physical world shaped the history of our species When we talk about human history, we often focus on great
Caroline, known as “Lina” to her family, has always lived in the shadow of her older brother William Herschel’s accomplishments. And yet when William invi
This dictionary contains over 4,300 entries covering all aspects of astronomy from astrophysics and cosmology to galaxies and time. Major entries include Big Ba