Physicists from JILA — a CU Boulder and National Institute of Standards and Technology institute — were able to measure an effect called time dilation at the smallest scale ever, which they say could ...

JILA physicists have measured Albert Einstein’s theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks, ...

Standing in the elevator of a towering skyscraper, you might wonder if your journey upward changes more than just your view.

Time may seem like a constant force, but according to a new study published on December 1 in The Astronomical Journal, the ...

The flow of time isn’t as consistent as we might think – gravity slows it down, so clocks on the surface of Earth tick slower than those in space. Now researchers have measured time passing at ...

Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery The stars in the binary-star system PSR J1141-6545 make up an eccentric pair. As they dance around each other in a rapid motion, ...

In the gloomy days of January, time seems to drag. According to the Einstein theory of relativity, it actually does—in a minute amount that means little to anyone except a scientist. During its annual ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...