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 ¿ìè¶ÌÊÓÆµ
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 ¿ìè¶ÌÊÓÆµ