A Brief History of Time
by Stephen Hawking
Landmark cosmology book explaining the universe's structure, origin, black holes, and time from big bang to theoretical physics.
More resources on Astrophysics & Cosmology
The Biggest Ideas in the Universe
Deep theoretical physics series covering cosmology, quantum mechanics, and fundamental physics with mathematical rigor.
Quanta Magazine
Online publication covering cutting-edge research in physics, mathematics, biology, and computer science with in-depth articles.
arXiv astro-ph.CO
The daily listing of new cosmology and nongalactic astrophysics preprints on arXiv, covering dark energy, large-scale structure, the CMB, and early-universe theory. It is where results appear before journal publication, so following it tracks the field in real time.
Astronomy: Exploring Time and Space
This course is designed for anyone who is interested in learning more about modern astronomy. We will help you get up to date on the most recent astronomical discoveries while also providing support at an introductory level for those who have no background in science.
Astronomy: Exploring Time and Space
University of Arizona survey course in four parts: planets and the search for life, the life cycles of stars, galaxies and their environments, and the history of the universe. Learners gain a conceptual grasp of modern astronomy and cosmology without advanced mathematics.
NASA Astrophysics
NASA's astrophysics division portal, covering current missions such as Hubble, Webb and Chandra alongside mission data archives and science summaries. Useful for tracking what instruments are observing now and finding the datasets behind published results.