According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

National Weather Service locations across Texas have forecast totals from a half-inch to five inches of snow between Monday ...

Gilbert H. Grosvenor, National Geographic magazine’s founding editor, is credited with saying: A map is the greatest of all epic poems. Its lines and colors show the realization of great dreams.

The National Park Service suggests carrying a tide table, topographic map and a watch whenever you're hiking along the coast. Visit the NPS website for links to tide predictions and topographic maps.

The National Trust has mapped climate change threats to its stately homes, countryside and coastline. The map paints a "stark picture", which will help plan interventions to save its sites ...