Snowshoes, snow caves, snowmobiles, and firearms—at this Navy SEAL's snow survival school, the right gear only goes so far.

China is set to launch a nationwide tagging system to protect its old trees, including some estimated to be over 5,000 years ...

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...

The USA has various awe-inspiring natural wonders you can visit and explore, including canyons, mountains, waterfalls, rivers ...

As Dorothy Lay tackles her bucket list, her granddaughter hopes the travels will slow her decline and prevent another ...