Biomochrosis
A chilling phenomenon in biology where exposure to cosmic entities or interstellar energies triggers a harrowing and uncontrollable metamorphosis in organisms, causing them to manifest aberrant and nightmarish traits.
"The ill-fated expedition to the abandoned space station revealed the horrifying consequences of biomochrosis, as crew members, exposed to unknown cosmic energies, underwent a nightmarish transformation, their bodies contorting into grotesque forms reminiscent of eldritch horrors from the void."