A speech by science adviser Michael Kratsios has attracted attention from people who think he means the U.S. now has time travel technology ...

Now a Japanese company has commercialized one approach—an optical-lattice clock it claims is the most accurate on the market.

It's not an abstract question. One of this year's big travel trends is detour destinations – visiting faraway places like Japan, New Zealand and the United Arab Emirates. To get there from the U.S., ...

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

New research has uncovered how a simple circadian clock network demonstrates advanced noise-filtering capabilities, enhancing our understanding of how biological circuits maintain accuracy in dynamic ...