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.
Have an extraordinary hot summer? How many more can we expect? Find out everything there is to know about heat waves and stay updated on the latest climate news with the comprehensive articles, interactive features and pictures at LiveScience.com.
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.
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