In less than a century, the accepted picture of the universe transformed from a stagnant place, comprised entirely of our own Milky Way galaxy, to a realm inhabited by billions of individual galaxies, hurtling away from one another. We must thank, in...

Gazing up at the heavens from our backyards or a nearby field, most of us see an undifferentiated mess of stars – if, that is, we can see anything at all through the glow of light pollution. Today's casual observer knows far less about the sky than d...

Taking advantage of recent advances throughout the sciences, Matthew Hedman brings the distant past closer to us than it has ever been. Here, he shows how scientists have determined the age of everything from the colonization of the New World over 13...