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 ...

The US Geological Survey (USGS) has released its first map of potential geologic hydrogen reserves in the United States, ...

An curved arrow pointing right. Computer science Professor Paul Barford and a team of researchers recently published the first publicly available map of the US's long-haul fiber-optic cable network.

Trains revolutionized transportation in the US. People were no longer dependent on horse-drawn carriages and natural waterways to move across the country. The rapid spread of railroads made the ...