Ozone: Summer days tend to see higher concentrations of this gas, which is harmful when it forms near the ground. Hot and sunny conditions accelerate that process. Ground-level ozone irritates the ...

Millions of Americans across the Northeast are experiencing record-breaking heat as a powerful heat wave grips much of the United States. Tuesday marked the worst day so far, with temperatures in ...

Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess as the heat ...

Tens of millions of people in major cities across the U.S. Northeast are facing record high temperatures on Tuesday on what ...

American hospitals and utilities are on alert for the possibility of cyberattacks following the US airstrikes on Iranian ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

Dangerously hot temperatures gripped New York City and the Tri-State area again on Tuesday making it feel like a furnace outside and shattering records in the process.

NEW YORK (AP) — Former Gov. Andrew Cuomo conceded New York City’s Democratic mayoral primary to Zohran Mamdani, as the ...

Tens of millions of people across the Midwest and Northeast are in the thick of a dangerous heat wave that will bring ...

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven’t been so hot in more than a decade.