What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

Earth is far from a stationary planet; it spins on its axis, orbits the sun, journeys with the solar system around the Milky Way, and moves through the expanding universe in a complex, layered dance ...

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

"It would be amazing if a simple rotation of the universe was the origin of dark energy." What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse?

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

Forget about turtles; for all practical purposes, it’s really particles all the way down. Consider the seemingly simple matter of their size, the very thing that makes them so alien. We’re typically ...