#  PBS Nova Interviews Professor Peter Girguis 

 





November 04, 2025

 

 

     ![Man with beard and glasses in black shirt](/sites/g/files/omnuum6811/files/styles/hwp_16_9__480x270/public/2025-11/Peter%20Girguis_PBS%20NOVA.jpg?h=920929c4&itok=Egw2LRaY) 

 



 

Peter Girguis took viewers on a voyage to the limits of life in his recent PBS NOVA feature, *“*[*Extremophiles, the Deep Sea, and Alien Life*](https://www.pbs.org/wgbh/nova/video/interview-extremophiles-the-deep-sea-and-alien-life-with-peter-girguis/)*.”* In the interview, Girguis described his deep-sea expeditions aboard the submersible *Alvin* and the astonishing creatures thriving around hydrothermal vents — ecosystems powered not by sunlight, but by chemistry. These hardy microbes, he explained, may offer a blueprint for finding life beyond Earth, perhaps on Mars or the icy oceans of Europa. Girguis made a compelling case that studying Earth’s most extreme habitats may be the key to answering humanity’s oldest question: are we alone?



 

 

 



 

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