In the vast bomb shelters below the streets of London, crops are being successfully grown, free from the pests found on the surface.
A soon-to-open attraction in Wales will allow visitors to play on massive trampolines suspended inside a ginormous subterranean cave.
The project, which has been given the go-ahead by a regulatory body, is designed to hamper the build-up of radioactive water around the crippled nuclear plant.
The eCool refrigerates your beer cans without the need for electricity. It just requires digging a deep hole into the ground.
A year after the NSW government announced plans to upgrade coverage in Sydney's inner-city rail tunnels, Optus has connected customers in the city's east.
More and more people are pushing to establish a colony on Mars, but just how will people live there? Here's an unusual concept for an underground cave dwelling.
O2 has joined Virgin Media, Vodafone and EE in offering free Wi-Fi on the London Underground from 22 July.
O2 has joined forces with EE, Virgin Media and Vodafone to tempt its customers with free Wi-Fi on the Tube.
Mind the gap -- it's the 150th anniversary of the London Underground, and Google is celebrating with a totally tubular doodle.
The library of the future needs so much more than just books. So, where do you store all of those old, dead trees for on-call retrieval? Underground, of course.