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 ...

Can you get rid of all the energy in the room in which you are reading this? Move the room far from the earth’s gravity, then toss out everything made of matter so you can cross off mass, kinetic, and ...

The long-standing problem of the cosmological constant, described both as “the worst prediction in the history of physics” and by Einstein as his “biggest blunder”, is being tackled with renewed ...

The cosmological constant has plagued physicists for more than a century. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There is a fundamental ...

The idea of a mirror universe is a common trope in science fiction. A world is similar to ours where we might find our evil doppelganger or a version of us who actually asked out our high school crush ...

According to physics, the universe and everything in it can be explained by just a handful of equations. They’re difficult equations, all right, but their simplest feature is also the most mysterious ...