Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human ...

110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...

A new software package detailed by Chinese scientists promises to tell what time it is on the moon, accounting for effects of relativity.

Is time real, or an illusion? The best answer may be neither: Both physics and philosophy suggest that time is a projection of the mind onto a timeless reality. When you purchase through links on our ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the difference, showing that Mars clocks tick slightly faster—and fluctuate over the ...

Physicists have recently uncovered a groundbreaking material known as “time crystals,” which challenges our conventional understanding of time and space. This discovery, rooted in quantum physics, ...