At the height of the Cold War, US Air Force officials proposed a terrifying plan to help America demonstrate its superiority ...

Deadly blaze. An intense, fast-moving wildfire that tore through Chile’s Valparaíso region in early February has destroyed 98% of the country’s national botanical garden in the coastal resort of Viña ...

Elk are a familiar sight in much of Montana now, but that hasn't always been the case. By the early 1900s, unregulated hunting had led to massive declines in wildlife nationwide. But In Yellowstone, ...

The movement of radiant heat -- felt when a hot surface warms our bodies and homes -- between buildings and their surroundings at ground level makes buildings with less skyward-facing surfaces harder ...