A sprawling winter storm system will hit the western U.S. hard this week with heavy snow and dangerous travel conditions.

Measles outbreaks in close to half of U.S. states are responsible for over 900 confirmed cases in 2026, according to the Centers for Disease Control and Prevention (CDC).

Measles was declared eliminated in the United States in 2000, but falling vaccination coverage, increasing global measles activity and travel-related importations have driven a sharp rise in cases and ...

High in the Pennine Alps, more than 3,000m above sea level, climate change has been quietly redrawing the Swiss-Italian border. Below the jagged peak of the Matterhorn, a strip of land on the ...