Try as they might, scientists can’t truly rid a space or an object of its energy. But what “zero-point energy” really means is up for interpretation.

An international team of astronomers led by Canadian researchers has found something the universe wasn't supposed to have: a ...

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

Researchers using China’s “artificial sun” fusion reactor have broken through a long-standing density barrier in fusion ...