Heat warnings are increasing in major cities. At its most basic: the heat index is what the temperature feels like when ...

Heat and humidity continue for the start of the workweek, with highs in the low 90s near the coast and mid-90s inland, and ...

New research discovered an existing drought, like the one in South Florida since January, can lengthen heat waves, like the ...

Finding more heat-resistant coral species could be the key to staving off their extinction as ocean temperatures are expected ...

NEW YORK — (AP) — To survive warming oceans, clownfish cope by shrinking in size. Scientists observed that some of the orange-striped fish shrank their bodies during a heat wave off the coast of Papa ...