Technology enhances the energy efficiency of streetlights and simultaneously reduces carbon emissions. A new study conducted ...

Major cities around the world marked Earth Hour on Saturday night, shrouding some of humanity's most famous monuments in ...

If you are new to the world of AI travel planners, here are a few that may appeal to certain types of human travel planners.

A weak and frail Pope Francis left the hospital Sunday after surviving a five-week, life-threatening bout of pneumonia, ...