Forget E.T. It’s time to meet the intraterrestrials.
Explorations hundreds of meters into the seafloor are helping scientists study organisms living there. Instruments lowered into the holes create ongoing observation stations, called CORKs. Tony Randazzo/AAReps Inc.
This basalt rock, pulled up during an expedition to a seamount off Hawaii’s coast, is coated in iron oxides — a sign of microbial activity.
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