The discovery of gravitational waves in 2015 – already postulated by Einstein one hundred years ago – led to the 2017 Nobel Prize in Physics and initiated the dawn of gravitational-wave astronomy.

Black holes have become fixtures in science fiction. They’re potent symbols of mystery in part because we know so little about them. Scientific Method: What does a black hole sound like? (Rebroadcast) ...

Black holes seem to get all the attention. But what about their mirror twins, white holes? Do they exist? And, if so, where are they? To understand the nature of white holes, first we have to examine ...

Most people are familiar with the concept of a black hole: a “hole” or extreme warping in space and time that endlessly devours any matter unfortunate enough to venture close to it. Even light can’t ...

In a groundbreaking discovery, researchers have detected the “sound” of a black hole being kicked through space, captured through the analysis of gravitational waves from the 2019 event GW190412. This ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. This transcript may ...