Physical cosmology also tells you what sort of structures you expect to find in the Universe. You can start with an almost-homogeneous Universe, but one that has density ...

In physical cosmology, dark energy is a hypothetical form of energy that permeates all of space and tends to increase the rate of expansion of the universe. Assuming the existence of dark energy ...

However, we assume that there is a physical, rather than a divine, explanation for the matter-antimatter asymmetry we observe today, but we do not yet know for certain. E. Siegel / Beyond The Galaxy ...

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 ...

What's the geometry of our Universe, and how much dark energy is out there? By … ...

Astrophysicists have long explored questions about the large-scale structure of the Universe through standard tools of physical cosmology. What Torquato and Philcox did was offer proof that a new ...

This question of accounting for what we call the "big bang state"—the search for a physical explanation of it—is probably the most important question within the philosophy of cosmology, and ...

Princeton University professor emeritus and 1962 graduate alumnus James Peebles has been awarded the 2019 Nobel Prize in Physics "for theoretical discoveries in physical cosmology." "This year's prize ...

James Peebles' insights into physical cosmology have enriched the entire field of research and laid a foundation for the transformation of cosmology over the last fifty years, ...

Three scientists have won the 2019 Nobel Prize in Physics for their work on understanding “Earth’s place in the cosmos” and the evolution of the universe.