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

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

Astronomers have directly observed a spinning black hole twisting spacetime, confirming a century-old prediction of ...

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

Abstract The theory of quantum states over time extends the density operator formalism into the temporal domain, providing a unified treatment of ...

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

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

Albert Einstein was intrigued by a simple puzzle: an old car must travel 2 miles at an average of 30 mph. The twist? Its structure makes the solution impossible. Can you solve it?

The Genomic Press Interview in Genomic Psychiatry titled "Noritaka Ichinohe: Beyond averages — context and heterogeneity in Genomic Psychiatry," is freely available via Open Access, starting on 6 ...

A recent astronomical event has provided evidence that black holes twist space and time, supporting a century-old theory proposed by Albert Einstein.

This is the first time that disk-jet co-precession has been clearly observed in a black hole system, which is truly exciting, ...

Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise ...