Most of the Universe Is Missing — We Still Can't Find It
Image: NASA, ESA, CSA, STScI, CXC Eighty-five percent of all the matter in the universe is something we have never seen, never touched, never caught...
Journal
Journal
87 Ghost Rivers Are Flowing Through the Milky Way
87 streams of stars torn from ancient galaxies thread through the Milky Way. They are fossil rivers — evidence of collisions billions of years old.
A Third Galaxy Without Dark Matter Shouldn't Be Possible
A third galaxy has been confirmed with almost no dark matter. NGC 1052-DF9 challenges everything we thought we knew about galaxy formation.