For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.
Gravity is supposed to be the most familiar force in nature, yet at the deepest level it remains the least understood. A bold new line of research now argues that gravity is not fundamental at all, ...
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...