A close synonym is exobiology from the Greek Έξω, "external"; Βίος, bios, "life"; and λογία, -logia, study. The term exobiology was coined by molecular biologist and Nobel Prize winner Joshua Lederberg.

What does the term astrobiology mean?

Astrobiology is the study of life in the universe. The search for life beyond the Earth requires an understanding of life, and the nature of the environments that support it, as well as planetary, planetary system and stellar interactions and processes.

What is the difference between astrobiology and exobiology?

Astrobiology is concerned with the study of life on Earth and in Space. Exobiology is concerned with the study of the likelihood of the existence of life on other planets and what form(s) it might take.