A groundbreaking study published in Science Advances has confirmed one of Albert Einstein’s predictions from over a century ago: spacetime vortices, also known as frame-dragging, have been directly ...

A violent stellar disruption recorded in 2024 has given astronomers their most comprehensive evidence yet of a black hole twisting the very fabric of spacetime around itself. This effect is known as ...

Black hole GRS 1915+105 spins at 95% of its theoretical maximum speed, dragging space-time and emitting near-light-speed ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

The gravitational field of a rotating black hole is powerful and strange. It is so powerful that it warps space and time back upon itself, and it is so strange that even simple concepts such as motion ...

Black holes are some of the most mysterious objects in the universe, but they aren’t always silent. When two black holes are ...

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 ...