astrobiology

noun

as·​tro·​bi·​ol·​o·​gy ˌa-strō-(ˌ)bī-ˈä-lə-jē 

: exobiology

astrobiologist

ˌa-strō-(ˌ)bī-ˈä-lə-jist 

noun

Examples of astrobiology in a Sentence

Recent Examples on the Web

Aliens have become less taboo for scientists beyond astrobiology; the possibility of extraterrestrial life is no longer a punch line. — Adam Kovac, Scientific American, 29 Oct. 2026

As a scientist who works in astrobiology and does science communications, the domain of UFOs/UAPs has been really frustrating. — Adam Frank, Forbes.com, 25 June 2026

The findings may also influence astrobiology research. — Kaif Shaikh, Interesting Engineering, 25 May 2026

The discovery may also inform fields such as biotechnology and astrobiology, where scientists explore how life might persist in extreme or extraterrestrial environments. — Brittany Miller, FOXNews.com, 25 Apr. 2026

Word History

Etymology

astro- + biology

First Known Use

1898, in the meaning defined above

Rhymes for astrobiology

• aetiology
• anthropology
• archaeology
• archeology
• audiology
• cardiology
• climatology
• cohomology
• cosmetology
• criminology
• demonology
• dermatology

Medical Definition

astrobiology

noun

as·​tro·​bi·​ol·​o·​gy -(ˌ)bī-ˈäl-ə-jē 

plural astrobiologies

: exobiology