exobiology; -- not used technically.

the scientific study of the living universe, its past, present, and future

The study of life throughout the Universe, its origin, evolution, ecology and destiny.

the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life

that branch of biology that investigates the existence of living organisms on other planets. Similar to Exobiology.

a branch of astronomy that deals with the identification of habitable regions within the universe, the search for extraterrestrial life and the effects of outer space environments on living organisms. It is the study of the origin and distribution of life in the universe.

The study of the living universe. Provides a foundation for a multidisciplinary study of the origin and distribution of life in the universe, including the role of physical forces, planetary atmospheres, and ecosystem interaction in the evolution with living systems.

The study of the living universe. This field provides a scientific foundation for a multidisciplinary study of (1) the origin and distribution of life in the universe, (2) an understanding of the role of gravity in living systems, and (3) the study of the Earth's atmospheres and ecosystems.

Astrobiology is the study of life in space, combining aspects of astronomy, biology and geology. It is focused primarily on the study of the origin, distribution and evolution of life. It comes from the Greek words αστρον or astron = star, βιος or bios = life and λογος or logos = word/science), and is also known as exobiology (Greek: εξω or exo = out) or xenobiology (Greek: ξενος or xenos = foreign).