Alien life might already live among us / Samantha Rolfe -- Aliens may have already visited / Jasper Hamill -- Advanced civilizations have probably developed previously elsewhere in the universe / Lenor Sierra -- Most likely number of contactable alien civilisations is 36 / Nicola Davis -- The aliens we're looking for may already be dead / Tom Siegfried.
Summary:
"Anthology of essays exploring attempts to understand life beyond Earth."
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.