Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in ...

Open-world maps offer large amounts of seamless exploration for players. Far Cry 3 and its map created the formula for the ...

The world's largest cities, called megacities, have more than 10 million residents. By 2030 the UN predicts there will be 41 megacities, up from 31 now. Finding affordable housing can be a ...