In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

Steve Giddings is a University of California, Santa Barbara string theorist. A provocative branch of physics called string theory might explain everything in the universe, such as how matter came into ...

Visualization of the allowed values of "dial settings" in the scattering amplitudes that describe the probability for particles to interact in the models introduced in this new work. The regions in ...