A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Einstein’s theory of gravity. Its clarity allowed ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Time moves differently in space. Near black holes, gravity slows clocks and stretches seconds. This explainer reveals how time bends and affects astronauts and Earth.

Chinese researchers say they have created a new "lunar time ephemeris" that can calculate the time on the Moon and sync it with time on Earth. Currently, there is no agreed-upon time zone on the Moon.

According to Einstein's theory of relativity and a new NIST study, time on Mars passes faster than on Earth. Discover the implications for future space travel.

A new software package detailed by Chinese scientists promises to tell what time it is on the moon, accounting for effects of relativity. When you purchase through links on our site, we may earn an ...

You would think after 30 years of annual visits to San Antonio from Mexico City, Mariana Piana had seen it all. Then she and her parents and three children set foot inside San Antonio Shoemakers (SAS) ...

We preselected all newsletters you had before unsubscribing.

MOSCOW, Dec 22 (Reuters) - A Russian general was killed by a car bomb in southern Moscow on Monday, Russian investigators said, adding that they suspected Ukrainian special services could have been ...

Carter Worth, Worth Charting, joins 'Fast Money' to talk how to position when it comes to General Motors. Got a confidential news tip? We want to hear from you. Sign up for free newsletters and get ...