One of the most notable aspects about our planet—if observed from the outside—is that it spins. Earth’s spin defines our days, setting the fundamental rhythm of life on our world. The moon spins, too.

According to Einstein’s theory of gravity, black holes have only a small handful of distinguishing characteristics. Quantum theory implies they may have more. Now an experimental search finds that any ...

Scientists have uncovered a breakthrough in our understanding of black holes by using a powerful mathematical tool known as the exact Wentzel-Kramers-Brillouin (WKB) method. The study, published in ...

A gargantuan black hole hiding in a galaxy 5 billion light years away is the most massive that has been directly measured, more than 10,000 times as massive as the supermassive black hole at the ...

Some of the mysterious pinpricks of light at the dawn of the Universe could be a type of object we've never seen before. According to a new analysis of a "little red dot" (LRD) nicknamed The Cliff, ...

Supermassive black holes are not as massive as previously thought, according to a new discovery by scientists. Astronomers from University of Southampton working with colleagues across Europe have ...