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 ...

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 ...

The search for the universe’s center starts with a simple intuition: if everything exploded outward in the Big Bang, there must be a point it all came from. Modern cosmology turns that intuition ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

Neutral atoms were formed just a few hundred thousand years after the Big Bang. The very first stars began ionizing those atoms once again, but it took hundreds of millions of years of forming stars ...

As with all Marvel movies, Doctor Strange in the Multiverse of Madness features a couple of Easter eggs that are likely to fly over the heads of those who haven't read the comic books. If you consider ...