Physics

For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.

When researchers reanalyzed the gold-standard data set of the early universe, they concluded that the cosmos must be “closed,” or curled up like a ball. Most others remain unconvinced.

How do magnetars get so magnetic? A study of stellar explosions shows that the long-accepted theory might be wrong.

A new measurement appears to have eliminated an anomaly that had captivated physicists for nearly a decade.

Want to see evidence of other universes? Just look up.

lattices in which smaller particles roam like electrons in metallic bonds.