For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the bending of space and time. Quantum mechanics governs the world of particles ...

Why is there something rather than nothing? Using a Socratic approach, we survey the best scientific ideas in physics ...

What if the Big Bang wasn’t the beginning of everything and instead just a bridge from a previous universe into our own? As unconventional as this may seem, the belief is held by a Nobel Prize-winning ...