SpaceMedieval multiverse heralded modern cosmic conundrums A 13th-century Latin text has yielded a mathematical model of the universe that anticipates problems with our best understanding of the big bang 51¶¯Âþ
SpaceBig bang birthday: Six mysteries of a cosmic bombshell Fifty years since the first confirmed signal of the big bang and physicists are still wrestling with the questions it raises about the nature of the universe 51¶¯Âþ