The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...

Observations don’t match the predictions of the standard model—and it’s not just a fluke.

The far distant fates of the Universe offer a number of possibilities, but if dark energy is truly a constant, as the data indicates, it will continue to follow the red curve, leading to the long-term ...

Planck’s constant is one of the most important numbers in all of physics. It is, essentially, the ultimate guide to the quantum world. It tells us where quantum effects are important, the fundamental ...