David H. Grinspoon
David H. Grinspoon

David Grinspoon is an astrobiologist who studies planetary habitability. He served as the inaugural chair of astrobiology at the U.S. Library of Congress.

Future Tense
Dec. 26 2016 10:06 AMThere’s No Future in Despising HumanitySpreading messages of doom about the planet can keep people from making positive changes.
Science
Jan. 7 2004 7:26 PMIs Mars Ours?The logistics and ethics of colonizing the red planet.
Future Tense
Sept. 27 2013 1:02 PMIn Search of Planetary IntelligenceWe don’t have it on Earth. But maybe it’s somewhere out there.