Fun Fact: If you could ride a beam of light, you’d never hit the “edge” of the universe—because it doesn’t have one. The idea that the universe has no centre might sound like a philosophical riddle or a Zen koan, but it’s a scientific reality. And it’s one that flips our human instincts upside down. …

Fun Fact: If you could ride a beam of light, you’d never hit the “edge” of the universe—because it doesn’t have one. The idea that the universe has no centre might sound like a philosophical riddle or a Zen koan, but it’s a scientific reality. And it’s one that flips our human instincts upside down. …