USGS researchers have unveiled the first map of prospective locations for hydrogen gas in the contiguous United States — and ...

For years, as disputes over names on the map riled up nationalist passions in several parts of the world, US policymakers ...

These 20 maps ... The United States ranks as the third most populous country globally, with an estimated population of about 335 million people. People walk past a TV showing US election results ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

President Donald Trump is renaming the Gulf of Mexico the Gulf of America. But how will that change go into effect – and will ...