As theoretical physics delves deeper into the fundamental nature of reality, we’re left to grapple with the questions it leaves us. For example, some physicists claim that our universe is merely an ...

One of the biggest, most intriguing questions in the world is quite simple: Are we alone in this universe? Astronomer and astrobiologist Dr. Aomawa Shields looks for signs of life in outer space by ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

There was no meaning to it. Yet, now there is plenty of meaning–at least to us, in the sense that we use the term: significance. So, where did all this meaning come from? How did meaning enter a ...

What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...