Since conventional explanations have failed to pony up dark matter, one physicist is looking towards the unconventional. In a series of two papers, physicist Stefano Profumo of the University of ...

This video explores what scientists mean when they talk about the edge of the observable universe. Using real observations and established physics, it explains why space appears black beyond a certain ...

The question of whether the universe has an edge touches one of the deepest mysteries in cosmology. It’s the kind of question that makes your brain hurt in the best way possible, challenging ...