Heat is the No. 1 weather-related killer -- and it's heading to the most densely populated part of America for a prolonged ...

High humidity will make conditions more stifling for tens of millions of people. The heat index, a measure of what the ...

Russia flattened a section of an apartment block in Kyiv on Tuesday in its deadliest attack on the Ukrainian capital this ...

Russia flattened a section of an apartment block in Kyiv on Tuesday, its deadliest attack on the Ukrainian capital this year, as a huge barrage ...