Abstract: This article describes unexplored regions of the Universe, such as dark matter, dark energy, black holes, gravitational waves, neutron stars and giant galaxies. A brief description is given for each area, along with information about what we currently know. Links to foreign sources are also provided so that readers can explore the topic in more detail. The ultimate limits of our universe are still a mystery to scientists, and many unexplored areas continue to generate interest and research. In this article, we will look at several such areas and what we know about them at this time. New research and technology are allowing us to see more and more of the mysteries of the universe. Here are some of the most fascinating explorations of unexplored areas. Dark matter: Dark matter is a mysterious form of matter that does not emit, absorb or reflect light, making it invisible to us. Everything we know about dark matter comes from observations of gravitational interactions with ot