Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

A new study enhances hydrogen molecule predictions, achieving unprecedented precision in testing fundamental physics and ...

Former SpaceX propulsion CTO Thomas Mueller’s space startup reached unicorn status this year thanks to $525 million in ...

Contemporary physics has learned to describe the universe with unprecedented precision. Yet when it tries to say what time is, it stumbles again and ...

Time is supposed to be the most reliable thing in our lives, ticking forward at a steady pace while everything else changes.

Eric Schmidt, who led Google for well over a decade as CEO and then executive chairman, could easily have retired in 2020 at ...

In an earlier blog post about Christopher Nolan's latest blockbuster movie, Interstellar, I lauded the film for its ambition, ...

A student-organized “tech fast” at St. John’s College thrust young people headfirst into a world of chalkboard-based ...