The remarkable thing about our universe is that it’s possible to explore at least some of its inner workings with very simple tools. Gravity is one example, to which [Galileo]’s inclined planes and ...

For the past generation, we've recognized that our Universe is a particularly dark place. Sure, it's filled with stars, galaxies, and a slew of light-emitting phenomena everywhere we look. But each ...

In every bit of nothing, there is something. If you zoom in on empty space and take out all the planets and stars and galaxies, you might expect a pure vacuum, but you’d be wrong. In­stead you would ...