Mystery over Universe’s expansion deepens with fresh data

A new map of the early Universe has reinforced a long-running conundrum in astronomy over how fast the cosmos is expanding. The data — collected using a telescope in Chile’s Atacama Desert — back up previous estimates of the Universe’s age, geometry and evolution. But the findings clash with measurements of how fast galaxies are flying apart from each other, and predict that the Universe should be expanding at a significantly slower pace than is currently observed.