/ˌastrōbīˈäləjē/
Noun
1. Branch of biology that deals with the study of evolution, distribution, and future of life in the universe. (wikipedia.org)
2. The science concerned with life in space. (dictionary.com)
Syn: Also known as exobiology, exopaleontology, and bioastronomy
Word origin: from the Greek ἄστρον, astron (constellation, star); βίος, bios (life); and -λογία, -logia (study)