as·​tro·​bi·​ol·​o·​gy | \ ˌa-strō-(ˌ)bī-ˈä-lə-jē How to pronounce astrobiology (audio) \

Definition of astrobiology

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Other Words from astrobiology

astrobiologist \ ˌa-​strō-​(ˌ)bī-​ˈä-​lə-​jist How to pronounce astrobiology (audio) \ noun

Examples of astrobiology in a Sentence

Recent Examples on the Web Billionaire entrepreneurs like Elon Musk and aspiring young astronauts like Alyssa Carson, a sophomore studying astrobiology at Florida Tech, hope to one day live on Mars. USA Today, "On a planet where you cannot breathe, is living on Mars the best idea?," 30 Dec. 2020 Charles Cockell is a professor of astrobiology at the University of Edinburgh who’s written at length about the question of freedom in space settlements. Clive Thompson, The New Republic, "Monetizing the Final Frontier," 3 Dec. 2020 Caleb Scharf, the director of astrobiology at Columbia University in New York, said the question of Venus' volcanic activity was important to explain the chemistry of both its surface and its clouds. NBC News, "A well-timed Venus flyby looks for signs of life in the clouds," 12 Oct. 2020 Exobiology, now astrobiology, studies the idea of life surviving or even beginning in space. Caroline Delbert, Popular Mechanics, "Did Life Come from Somewhere Else? Panspermia Is Possible, Experiment Suggests," 14 Sep. 2020 Exoplanet research is only 25 years old, and serious work in astrobiology is really only starting. Martin Rees, Scientific American, "How Astronomers Revolutionized Our View of the Cosmos," 18 Aug. 2020 These intrepid microbes were the final samples to be returned to Earth as part of the Tanpopo mission, a Japanese astrobiology experiment studying the effects of the space environment on simple organisms. Daniel Oberhaus, Wired, "A Ball of Bacteria Survived for 3 Years ... in Space!," 26 Aug. 2020 This half-century parade of discoveries jump-started the now-flourishing field of astrobiology. Joshua Sokol, Science | AAAS, "An unusual meteorite, more valuable than gold, may hold the building blocks of life," 13 Aug. 2020 For decades, scientists have searched for alien life-forms—but the field of astrobiology has only recently become mainstream science. National Geographic, "NASA's newest Mars rover begins its journey to hunt for alien life," 30 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astrobiology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of astrobiology

1898, in the meaning defined above

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Time Traveler for astrobiology

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The first known use of astrobiology was in 1898

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Last Updated

15 Jan 2021

Cite this Entry

“Astrobiology.” Dictionary, Merriam-Webster, Accessed 23 Jan. 2021.

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More Definitions for astrobiology


as·​tro·​bi·​ol·​o·​gy | \ -(ˌ)bī-ˈäl-ə-jē How to pronounce astrobiology (audio) \
plural astrobiologies

Medical Definition of astrobiology

More from Merriam-Webster on astrobiology Encyclopedia article about astrobiology

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