Planet 9 Book One of 'the Last Stories of Humankind'

To reach humanity's silent interstellar colonies and learn their fate, a team must travel to Planet 9 and commission a new kind of starship. A de-extincted Orangutan with a PhD in history, and the last, surviving, baseline human are hunting down the last traces of original humanity. They are contacted by a Transhuman leaving the solar system to study alien stars. Her offer: travel with her crew to the nearest stars to learn if any baseline human colonies, still survive.The settlers of Planet 9, at war with superintelligences that settled its moons long before them, are suspicious of these inner system, interlopers. When a scientist violates a quarantined world to study new life, she destroys the political balance. The crew must then somehow survive, and learn the true history of Planet 9.