"This is a structure we've never seen before, so it could be a new class of dark object." ...
Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...
Recently, the Hubble Space Telescope captured an image of a dwarf galaxy in the constellation Ursa Major. Markarian 178 (Mrk 178) is one of over 1500 "Markarian galaxies," a class defined by their ...