Mark Wolverton is a science journalist, author, and 2016-17 Knight-MIT Science Journalism Fellow. He writes for various national and international publications including WIRED, Nature, Undark, Scientific American, and Air & Space Smithsonian. He has also worked with the NASA Ames History Project, Argonne National Laboratory, the Franklin Institute, and the NASA ISS Science Office. His latest book is "Burning the Sky: Operation Argus and the Untold Story of the Cold War Nuclear Tests in Outer Space." Previous books include "A Life in Twilight: The Final Years of J. Robert Oppenheimer"; "The Depths of Space: The Story of the Pioneer Planetary Probes"; and "The Science of Superman." He lives near Philadelphia.