Heat Wave

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.

The drought wrecking havoc with agriculture has been declared a natural disaster.

After mild relief, another heat wave builds.

After mild relief, another heat wave builds.