Imagine you wanted to know everything you could about the Universe. You'd want to find the answers to questions of all types, such as: What is the Universe made of? How big is the entire Universe? How ...

Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and ...

It is Nobel prize week and four physicists have received a telephone call from Stockholm. In this installment of the Physics World Weekly podcast we chat about James Peebles, who shared one half of ...

Scalar-tensor cosmology extends Einstein’s theory of gravitation by introducing a dynamical scalar field that mediates part of the gravitational interaction alongside the metric tensor. These models ...