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 forces with EE, Virgin Media and Vodafone to tempt its customers with free Wi-Fi on the Tube.
O2 has joined Virgin Media, Vodafone and EE in offering free Wi-Fi on the London Underground from 22 July.
Mind the gap -- it's the 150th anniversary of the London Underground, and Google is celebrating with a totally tubular doodle.
The plans for Apple's new campus have leaked, and there's a huge auditorium in the basement.
We discover Churchill's secret Second World War bunker with underground explorers Subterranea Britannica in this video.
The Kendall Station, a fixture on the skyline near Boston, is an efficient combined heat and power plant that's tapping district heating to improve efficiency more than 90 percent.
The Internet absolutely can't keep a secret. Here's the story, and the controversy, behind the outing of a long-hidden subway station in New York and the secret art exhibit within.
You'll be able to use your smart phone, tablet or laptop on London Underground stations by 2012 as 120 stations get connected for the Olympics.