Thinking about the edge of the universe is one of those ideas that fascinates pretty much everyone. We can map galaxies, study distant light, and track how fast everything is spreading out, but the ...

"These galaxies are very old, which means stars were being formed in the early universe, earlier than our current models predict." When you purchase through links on our site, we may earn an affiliate ...

Prologue: Cosmology's extraordinary new frontiers -- How far out can we see? : voyage to the edge of the known universe -- How was the universe born? : reavealing the dawn of time -- How far away will ...

It appears that we live on the knife-edge, where only the narrowest combination of values for the fundamental constants allow life, and especially conscious life, to arise. When you purchase through ...