For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible ...

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

Quantum mechanics is our most successful physical theory. Created to account for atomic phenomena, it has a vast range of applications extending well beyond the atomic realm, from predicting the ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time literally no longer make sense." When you purchase through links on our site, we ...

Here’s what you’ll learn in this story: Time might actually have 3 dimensions. But it also means that the space would actually be one-dimensional, instead of the three dimensions we’re familiar with.

Based on Einstein's theory, they demonstrated that if a massive object rotates rapidly, it drags space-time along with it.

If you wave your hand in front of your face, you won’t notice anything particularly interesting. Perhaps a gentle waft of air against your cheek – that’s about it. No epiphany. No major sign that ...

"If the model holds true, it could mark a new chapter in the way we think about the birth of the universe." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Two cutting-edge atomic clocks — the most accurate ever ...

"It may take decades before we find out what really happens in black holes." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Reports of the ...