astrobiology

American  

[as-troh-bahy-ol-uh-jee] / ˌæs troʊ baɪˈɒl ə dʒi /

noun

1. (not in technical use) exobiology.

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astrobiology British  

/ ˌæstrəʊbaɪˈɒlədʒɪ /

noun

1. the branch of biology that investigates the possibility of life elsewhere in the universe

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astrobiology Scientific  

/ ăs′trō-bī-ŏl′ə-jē /

1. See exobiology

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Other Word Forms

• astrobiological adjective

Etymology

Origin of astrobiology

First recorded in 1950–55; astro- + biology

Example Sentences

"How rare is the event that created the Earth and moon? That question is fundamental to astrobiology," Davenport said.

From Science Daily • Mar. 11, 2026

“I did not see myself in an astrobiology lab,” Flores said from her office at the Los Angeles County Sanitation Districts, where she has worked since 2023 as an engineering associate.

From Los Angeles Times • Aug. 20, 2024

“The astrobiology community is trying to find the perfect biosignature to look for,” says Lena Noack, a geodynamicist of the Free University of Berlin.

From Science Magazine • Apr. 26, 2024

Students in my astrobiology class got lectures live from Johnson Space Center in Houston.

From New York Times • Mar. 22, 2024

I'm a professor of astronomy who has written extensively on astrobiology and the scientists who search for life in the universe.

From Salon • Sep. 19, 2023