Caleb Scharf is the award-winning author of The Zoomable Universe, The Copernicus Complex, and Gravity's Engines, and the director of the Columbia Astrobiology Center. He has written for The New Yorker, The New York Times, Scientific American, Nautilus, and Nature, among other publications. He live...

Caleb Scharf is the award-winning author of The Zoomable Universe, The Copernicus Complex, and Gravity's Engines, and the director of the Columbia Astrobiology Center. He has written for The New Yorker, The New York Times, Scientific American, Nautilus, and Nature, among other publications. He lives in New York City.