Paul Gilster
Writer/editor, Centauri Dreams

Paul Gilster is an American writer on aerospace and technology topics whose site, Centauri Dreams, chronicles ongoing research into interstellar flight. He is also the author of Centauri Dreams: Imagining and Planning Interstellar Exploration (2004). 

Written by Paul Gilster

Essay/
Astronomy
Distant ruins

Scientists used to scan the skies for messages from alien civilisations. Now they go looking for their ruins

Paul Gilster