An eon ago, when only microbes dwelled on Earth, a pair of black holes some 1.3 billion light-years beyond the solar system spiraled toward each other until they crashed. The two became one big black ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration imagines GW250114, a powerful collision between two black holes observed in gravitational waves by the LIGO ...