On Mars, Life Could Be Hiding Under the Rocks

On Earth, some hardy microbes use certain minerals as a natural "sunscreen" to protect them from ultraviolet radiation — might Mars microbes use the same strategy?

Published On 01/30/2017
7:00 AM EST
Banded iron formations (such as the one pictured at ceter at Karijini National Park, Western Australia) may come in part from iron metabolized by microorganisms (Clark Johnson/University of Wisconsin-Madison) | Credit: