Caleb Scharf
Scientist and Writer, Columbia University, New York

Caleb Scharf is director of astrobiology at Columbia University in New York. He is the author of Extrasolar Planets and Astrobiology (2009), which won the Chambliss Astronomical Writing Award.

Essays
2
Conversations
9
Followers
30
Essay/Biology

Where do minds belong?

Intelligence could have been moving back and forth between biological beings and machine receptacles for aeons

Caleb Scharf

Essay/Astronomy

Are we alone?

The universe seems to be bursting with planets, and this is profoundly important — but not in the way we might expect

Caleb Scharf

Recent conversations