Space.com Win a Copy of ‘Earth in Human Hands’ by David Grinspoon Friday in Facebook Live 2 February 2017 fborgosano Leave a comment Share: Head to the Space.com Facebook page tomorrow (Feb. 3) for a chance to win an autographed copy of the new book “Earth in Human Hands” by NASA astrobiologist and science communicator David Grinspoon. from Space.com bit.ly/2jGGXbV Share: