The increasing intensity and frequency of extreme heat likely compounds stresses on the iconic butterfly, worrying biologists ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

McDonald’s Korea has been forced to take tomatoes out of its burgers, due to a supply shortage caused by the record-breaking ...

The record-breaking heat across Phoenix and the US Southwest will finally end this week, with temperatures plummeting more than 20F (11C) degrees by this weekend.

Houston faces a heat wave on Columbus Day with temperatures at 97°F, not cooling significantly through the night.

The sun is beating down on you. Breathing in the dense hot air is getting harder and harder. Sweat is pouring down your face.

Could the heat wave finally be over? Phoenix is expected to see one more day of record-breaking temps before cooling off to the mid-80s.

South Africa’s Gauteng province, home to the capital of Pretoria and commercial hub of Johannesburg, is on the brink of a ...

Researchers have made a significant advancement in understanding the underlying heating mechanism of the sun's atmosphere, finding that reflected plasma waves could drive the heating of coronal holes.

The National Hurricane Center is monitoring a tropical wave in the central Atlantic that has a moderate chance of developing ...

A record breaking heat wave in the West could begin to subside this week, with high temperatures in Phoenix projected to drop ...

Scientists reveal how Alfvén waves may explain the mysterious heat of the sun's atmosphere, solving a long-standing solar ...