Life on other planets.

Life in the universe :expectations and constraints by: (Electronic resources)

The search for extraterrestrialsintercepting alien signals / by: (Electronic resources)

Rare earthwhy complex life is uncommon in the universe/ by: (Electronic resources)

If the universe is teeming with aliens...where is everybody?fifty solutions to the Fermi paradox and the problem of extraterrestrial life / by: (Electronic resources)

How likely is extraterrestrial life? by: (Electronic resources)

Life on earth and other planetary bodies by: (Electronic resources)

Communication with extraterrestrial intelligence by: (Electronic resources)

Elephants in space by: (Electronic resources)

Science, Religion, and the Search for Extraterrestrial Intelligence by: (Electronic resources)

If the universe is teeming with aliens... WHERE IS EVERYBODY?seventy-five solutions to the Fermi paradox and the problem of extraterrestrial life / by: (Electronic resources)

The hunt for alien lifea wider perspective / by: (Electronic resources)

Science, culture and the search for life on other worlds by: (Electronic resources)

What we know about extraterrestrial intelligencefoundations of xenology / by: (Electronic resources)

The cosmic zoocomplex life on many worlds / by: (Electronic resources)

Universal biology after Aristotle, Kant, and Hegelthe philosopher's guide to life in the universe / by: (Electronic resources)

Life in the universeexpectations and constraints / by: (Electronic resources)

From habitability to life on Mars / by: (Electronic resources)

Geoforming Marshow could nature have made Mars more like Earth? : a treatise on some important factors involved in assessing the habitability of terrestrial planets that may aid us in our search for habitable terrestrial exoplanets / by: (Electronic resources)

Life beyond Earththe fermi paradox -- or why we are still waiting to meet aliens / by: (Electronic resources)

Extraterrestrial lifewe are not alone / by: (Electronic resources)