Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

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 ...

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.

Ahead of the launch of Artemis II, the first crewed mission to the moon in more than 50 years, astronauts share the movies ...

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

For more than a century, Einstein’s relativity has set a hard speed limit for the universe, with light as the ultimate ...

Readers respond to a guest essay about the methods and reliability of science. Also: Opioid addiction; judges and presidents; ...

A new paper by Southwest Research Institute (SwRI) staff details how using popular culture could effectively teach science, ...