Dark matter: it sounds like a sinister creation in a science fiction novel, but it’s probably much more real than that. Most scientists believe that dark matter accounts for over 80% of all matter in the universe. Researchers don’t know exactly what is it and where it is, but they have theories.
Cosmology – the study of the origin and evolution of the universe and all that it includes. What is a planetary nebula anyway? How do stars form? Do galaxies evolve? Find out here. Get all the cosmology facts you need.
This article explores the mysterious black hole theories and what characteristics each concept possesses.