Caleb Scharf

Director of Astrobiology, Columbia University

Caleb Scharf’s research career spans cosmology, exoplanetary science, and astrobiology. He currently leads efforts at Columbia University in New York to understand the nature of exoplanets and living environments in the universe. He is a Global Science Coordinator for the Earth-Life Science Institute’s Origins Network at the Tokyo Institute for Technology. He is also co-founder of YHouse, Inc., a non-profit research institute devoted to scientific pursuit of the mysteries of consciousness. He received his PhD in Astronomy from the University of Cambridge.


His Life, Unbounded blog at Scientific American is read by over half a million people annually. His popular science books: ‘Gravity’s Engines’, ‘The Copernicus Complex’, and most recently ‘The Zoomable Universe’ have been widely praised, with honors including a ‘Science Book of the Year’ at the Times of London, making the long-list for the PEN/E.O. Wilson award and ‘top read’ lists by Barnes and Noble, New Scientist, NBC News, and more.

He has written for The New York Times, LA Times, Nature, WIRED, The New Yorker, Nautilus, and many other publications. He has also served as guest or consultant for The Discovery Channel, the BBC, PBS, the Science Channel, History Channel, National Geographic, The New York Times, The Wall Street Journal, and others.