What is Universe? is a comprehensive exploration of the cosmos that explains how the universe began, how it evolved, and how it continues to shape everything within it. Written in a clear, college-level style, the book covers fundamental topics such as the Big Bang, galaxies, stars, black holes, neutron stars, pulsars, dark matter, and dark energy, while also examining the future of the universe and humanity’s quest to understand it. Designed for students and curious readers, the book presents complex scientific ideas in an organized and accessible manner. Authored by Anurag Das, an aspiring cosmologist inspired by Stephen Hawking, What is Universe? reflects a deep curiosity about space and a passion for scientific learning.