PhysicsWhy is there something not nothing? The big bang isn’t the only answer The idea that the universe started in the big bang revolutionised 20th-century cosmology. But it seems increasingly unlikely it was a case of something from nothing Features
PhysicsThe black hole paradox that thwarts our understanding of reality Black holes devour stuff and then shrivel away over billions of years. Explaining what happens to anything that falls in explodes our current theories of physics, says cosmologist Paul DaviesFeatures