There is a threat of tornadoes at night, so residents in at-risk areas are advised to set their phones to receive loud weather warnings which will wake them up.

The population is spread out among 3.8 million square miles across 50 states, yet nearly one-third of Americans live in just three states: California, Texas and New York.

A second measles-related death was reported out of New Mexico this week. Here's where measles cases have been reported in the U.S. this year.

These states are dwarfed by California ... While North and South Carolina look similar in size on the current US map, the former would cover more land with its 11 million residents - South ...

Case counts vary by state, however. Each week, the CDC releases a map of influenza activity across the country. The color-coded map indicates each state’s activity level, ranging from minimal to ...

The United States satellite images displayed are infrared ... of gaps in data transmitted from the orbiters. This is the map for US Satellite. A weather satellite is a type of satellite that ...

Case counts vary by state, however. Each week, the CDC releases a map of influenza activity across the country. The color-coded map indicates each state’s activity level, ranging from minimal to ...