Dig Deep: DARPA Contest Aims to Take People Underground

darpa challenge schematic
A new DARPA challenge aims to help people navigate in the subterranean world of human-made tunnels, natural caves and subway tunnels.
(Image credit: DARPA)

From the seas to mountain peaks, humans have colonized almost every inch of Earth's surface.

Now, humans may soon be able to routinely venture below the planet's surface, at least if the military has any say in the matter.

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Tia Ghose
Editor-in-Chief (Premium)

Tia is the editor-in-chief (premium) and was formerly managing editor and senior writer for Live Science. Her work has appeared in Scientific American, Wired.com, Science News and other outlets. She holds a master's degree in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's degree in mechanical engineering from the University of Texas at Austin. Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.