A two part book reimagining dark matter and the dark Transtraterrestrial is an experimental book that documents Sage Ni'Ja Whitson's groundbreaking performance pieces, blending African Diasporic practices with innovative methodologies to explore themes of gender, sexuality, race, and spirit. Divided into two parts-- The Unarrival Experiments and Counterproposals --the work delves into the mysteries of dark matter, dark energy, and Blackness through a Black, Queer, and Transembodied lens. In the performances of The Unarrival Experiments , the audience is led on a cosmic journey guided by the space conductor, Trans Trappist the Extraterrestrial. This section of the book traverses the dark as both an ancestor and embodied transgender technology, asking profound questions: How do you perceive what cannot be seen? What if Blackness refuses to arrive, existing in the realm of the unarrival? Counterproposals delves into Yorùbá Cosmology, astrophysics, and the concept of the "blackest black," to explore a Black Futurity where queerness and transness are celebrated and centered. The book includes a fusion of letters, poems, photographs, and speculative writings. Color images throughout the book invite readers into the immersive worlds of performance and installation, offering a rich, layered experience of Whitson's unique artistic vision.