With one-fifth of states seeing active measles outbreaks, the U.S. is nearing 900 cases, according to figures posted Friday ...

Texas has more than 600 known cases of measles on Tuesday as the outbreak in the western part of the state approaches the ...

More than 80% of the world's coral reefs fell victim to harmful bleaching and is now in "uncharted territory" with the worst ...

The type of dust storm, known as a “haboob,” caused hazardous weather conditions in Mexico's border region, prompting ...

Perhaps nowhere on the globe are these two waves of migration converging more starkly than in Mexico City, a vast urban ...

Belize has confirmed its first measles cases since 1991, traced to recent travelers from Mexico, prompting increased health ...

Montana is the ninth U.S. state to have an active measles outbreak. The U.S. was up to 800 cases of measles nationwide on Friday.