Noun
the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
Source: WordNetExobiology - a curious development in view of the fact that this "science" has yet to demonstrate that its subject matter exists! George Gaylord Simpson
In 1995, increased scientific needs across various disciplines resulted in joint core funding by three different science programs at NASA Headquarters (Planetary Geology and Geophysics, Exobiology, and Solar System Origins). Source: Internet