For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational ...

Albert Einstein won the 1921 Nobel Prize in Physics, but not for relativity—the theory that made him famous. This article ...

Virginia man accused of double murder while having an affair, family au pair testifies Trump sues the IRS and Treasury ...

In 1905, Albert Einstein revolutionized physics by demonstrating that time is not absolute but relative to the observer's ...

Nobel prize winner Albert Einstein had deep, insightful, yet simple analogies about life and how this one thing is the key to the progress.

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

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

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.

From Nara, Einstein and Elsa traveled overnight by train “from 6 p.m. to 6 a.m.” to Hiroshima Prefecture. In the early ...

Time is a straightforward concept - or is it? The passing of minutes and years isn't as easy to explain as many assume.