Heat Wave

Extremes continue during the last week of May as some areas go from snow and frost to 90-degree temperatures and record highs.

The Southwest corner of the nation will remain a focus for sweltering conditions through Tuesday.

The population of over 4.5 million suffered through the scorching heat that peaked at 114.4 degrees Fahrenheit (45.8 degrees Celsius) at the Observatory Hill.

Snow in Jerusalem, record heat in Australia and 9,000 penguins in Antarctica all topped our favorite images this week. Check out all the awesome photos we found.

Heat is expected to continue.

A look back at the extreme weather of 2012

Geoengineering is no longer fringe science as the debate shifting from whether it should be done to how.

Amid the hottest year on record in the United States comes new research warning just how deadly heat waves can be.

Record heat is expected once again across the Midwest this week.