As Donald Trump returns to the White House, he has built the most formidable foundation of Republican electoral strength since the Ronald Reagan era in the 1980s.

More than 200million Americans are facing a life-threatening deep freeze this week as an arctic blast brings sub-zero temperatures and a thick blanket of snow to much of the US.

The map below shows several states where snow could continue to fall as the storm continues moving eastward on Wednesday, including Texas, Louisiana, Mississippi ... as strong winds and heavy snowfall ...

Sleet and snow began falling across southeast Texas late Monday, pushing east into Louisiana and Mississippi ... Temperatures in the U.S. See detailed maps of the latest forecast for freezing ...

A sprawling winter storm that is pushing slowly across the United States will bring a risk of severe weather and excessive ...

The Bird's Foot Delta, a crucial ecological and economic hub, faces an uncertain future amid rising seas and dwindling sediment.

The Mississippi ACLU has accused state lawmakers of not being transparent when it comes to new legislative redistricting maps ...

Low-level airplane flights are planned over a broad region in parts of Louisiana, Mississippi, and Illinois to image geology ...

Though U.S. maps will reflect Trump's new name for the body of water, the rest of the world will continue calling it the Gulf of Mexico Win McNamee/Getty; Google Maps Google Maps will soon change ...

Residents in Southwest Mississippi and Southeast Louisiana should expect to see low-level airplane flights from February through April as part of efforts to map geography and aquifers. The USGS on ...