10 Cosmic Close Calls That Changed Spaceflight
April 11 marks the 50th anniversary of the launch of Apollo 13, one of NASA's most famous misadventures.
Jennifer Leman is a science journalist and senior features editor at Popular Mechanics, Runner's World, and Bicycling. A graduate of the Science Communication Program at UC Santa Cruz, her work has appeared in The Atlantic, Scientific American, Science News and Nature. Her favorite stories illuminate Earth's many wonders and hazards.
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