Heart of Darkness: Unraveling the Mysteries of the Invisible Universe

Published Jan. 21, 2016

(Princeton University Press) A saga of humankind’s quest to understand the universe, this work combines physics and history to create a rich story of scientific progress in our knowledge of the cosmos. Focusing on dark energy and dark matter, this is the narrative of the “Lambda-Cold-Dark-Matter” model of cosmology. Ostriker is professor of astrophysical sciences at Princeton.

Paw in print

Image
The February 2026 cover of PAW, featuring a photo of Joseph Nye.
The Latest Issue

February 2026

Lives Lived & Lost in 2025, Saying ’yes’ to more housing; AI startup stars