The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black ...

What time is it? We ask this question several times a day. The answer helps us understand whether we are on time or we are late, and we make a whole series of decisions. Sometimes we treasure every ...

(This article was originally published in the May 2022 issue of Astronomy). St. Augustine said of time, “If no one asks me, I know what it is. If I wish to explain to him who asks, I don’t know.” Time ...

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string theory,' a new preprint suggests. When you purchase through links on our site, ...