Physicists are quietly testing wild new theories that treat a hidden fifth dimension as more than science fiction, suggesting ...

Scientists studying dark matter have published new findings based on a warped extra dimension model that suggests particles in a fifth dimension.

The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the universe apart. Now some researchers think our universe might be moving into ...

When James Gunn shared a first look at Superman, everyone was eager to know what that glowing orb in the sky was. Could it be Parasite? Mongul's spaceship? An interdimensional portal? As the ...