Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...

BENGALURU, India (AP) — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a ...

Abrupt cuts by the Trump administration to the US National Institutes of Health threaten progress in medical research ...

Oklahoma and Vermont report new cases of measles, increasing the number of affected states to 15. Health officials urge ...

Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the ...

The United States has already experienced more cases of measles in the country in the two-and-a-half months of 2025 than it ...

A joint WHO/UNICEF report this week shows that measles has made a dramatic comeback across Europe and Central Asia.

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

Six out the world’s 10 most polluted cities are in India, while California has the worst air pollution in North America, a ...

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

Not getting enough sleep on a consistent basis has been linked to a higher likelihood of believing conspiracy theories in a ...