Imagine a swarm of fireflies, flickering lights on and off in the nighttime space. How does the human brain process and ...

Why astronauts lose vision in space-and how research on SANS could lead to solutions for both space crews and patients on ...

A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

Quantum networking is being rapidly developed world-wide. It is a key quantum technology that will enable a global quantum ...

You cannot treat space and time separately, as they are inextricably linked; moving through one affects your motion through the other, regardless of any other properties inherent to your spacetime.

This column on general relativity and space-time by physicist Sean Carroll was published on Nov. 23, two days before the 100th anniversary of Einstein’s theory of general relativity.

Spacetime is four-dimensional. We can move through the three dimensions of space at will, passing up and down, side to side, or forward and backward. But we are also always moving through a fourth ...