Marcia Bartusiak is an American science writer known for her work in the field of astronomy. She has authored several books that explore complex scientific concepts in an accessible manner, making them understandable to a general audience. Her writing often focuses on topics such as black holes, dark matter, and the history of astronomy. In addition to her books, Bartusiak has contributed articles to various publications, including The New York Times and Smithsonian Magazine. She has received multiple awards for her writing, highlighting her ability to communicate intricate ideas clearly and engagingly. Bartusiak's work continues to inspire interest in the universe and its mysteries.