It would take more than 9.5 million square miles of trees to offset the emissions of the world’s 200 largest fossil fuel ...

In a nutshell New independent research confirms that 23,000-year-old human footprints at White Sands National Park are ...

Mapmakers have used the technology for years, taking advantage of overlapping aerial photography to infer physical features of the Earth below and create topographic maps. But you don’t have to ...

Nowhere is truly ‘safe’ from fallout and other consequences like contamination of food and water supplies and prolonged ...