Penelope Boston

There might just be life on Mars

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So the Mars Rovers didn't scoop up any alien lifeforms. Scientist Penelope Boston thinks there's a good chance — a 25 to 50 percent chance, in fact — that life might exist on Mars, deep inside the planet's caves. She details how we should look and why.

About the speaker
Penelope Boston · Cave scientist

Penelope Boston studies caves and karst formations, and the special biology that lives in them — both here on Earth and possibly on other planets.

Penelope Boston studies caves and karst formations, and the special biology that lives in them — both here on Earth and possibly on other planets.