Quantum cosmology and loop quantum gravity constitute two intertwined pillars in the quest for a quantum theory of gravity. Quantum cosmology applies the principles of quantum mechanics to the entire ...

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in physics." The first step toward quantum gravity, the "holy grail of physics," may ...

The original version of this story appeared in Quanta Magazine. Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time ...

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

Andrea Morello is the Scientia Professor of Quantum Engineering at UNSW Sydney (Australia), an Australian Research Council laureate fellow, and a fellow of the American Physical Society. He received ...

The world is awash in predictions of when the singularity will occur or when artificial general intelligence (AGI) will arrive. Some experts predict it will never happen, while others are marking ...