Dark matter is a type of matter that makes up roughly 27% of the mass and energy in the universe and cannot be defined as dark energy, ordinary matter or neutrinos. Dark matter is invisible to the electromagnetic spectrum, as it does not interact with electromagnetic radiation.
... to the Alpha Magnetic Spectrometer in an effort to extend its life and support its mission of looking for evidence of darkmatter and testing 3D biological printers to print organ-like tissues in microgravity. With the undocking of the Soyuz...