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Photo by Andrew Hara

Welcome. I’m a scientist and award-winning science journalist. My popular writing has appeared in Science, Scientific American, The New York Times, Discover, and Eos, among others. I also help to develop museum exhibits, classroom programs, and videos about science.

Feel free to reach out–I’m always interested in hearing about story ideas, science communication opportunities, or simply that astronomy question that’s been bugging you for years.