We see countless stars and galaxies sparkling in the universe today, but how much matter is actually there? The question is simple enough — its answer, however, is turning out to be quite a ...

Cosmology gives meaning to astronomical observations of the universe that surrounds us, with physical principles that apply on Earth as well as in the rest of the universe. This "study of the world" ...

Scientists made a twin version of our universe, showing the evolution of all forms of matter and energy, in the biggest cosmological computer simulation to date. When you purchase through links on our ...

The study of the universe through the field of cosmology has exploded but there are still surprises in store and much to be discovered. There have been amazing new observations from sky surveys, and ...