For more than a century, Einstein’s relativity has set a hard speed limit for the universe, with light as the ultimate ...

For most of the past century, wormholes sat comfortably in the realm of science fiction, a mathematical curiosity that let ...

Mind = blown.

Spacetime itself would also need to be “quantized,” or broken down into constituent parts. This is what the notorious string theory attempts to do, as does loop quantum gravity, currently considered a ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

In a recent exhibit, the artist wove fantasy and physics to illustrate the temporal funk of living through a pandemic. Early in the COVID-19 pandemic, when New York City went into lockdown, artist ...

Just as white light is made up of various wavelengths of light, so too is spacetime composed of various versions of spacetime. Michelle Starr is CNET's science editor, and she hopes to get you as ...

This article was originally published by Knowable Magazine. Rod Serling knew all about dimensions. His Twilight Zone was a dimension of imagination, a dimension of sight and sound and mind, a ...

WASHINGTON – Aalyria, the company marketing technology developed by Google parent Alphabet, announced an agreement March 13 with Rivada Space Networks. Rivada will use Spacetime, Aalyria’s network ...

When white light is passed through a prism, the rainbow on the other side reveals a rich palette of colors. Theorists have shown that in models of the Universe using any of the quantum theories of ...