The most precise measurement of the expansion rate ever made suggests an unknown force may be affecting the universe.

The universe is expanding 'too fast', a study has warned – and scientists have no idea why. An international team of astronomers have carried out some of the most precise measurements yet of how ...

Most scientists think that everything that we know and experience began with the Big Bang, 14 billion years ago. But how can ...

The universe expands faster. “Dark energy” may not be constant after all. We’ve known since 1929 that the universe is expanding, and since 1998 that it’s speeding up. The unknown force behind this ...

(via PBS Space Time) We've known that the universe is expanding since 1929, and that its expansion is accelerating since 1998. The culprit behind the acceleration is unknown, so we live with a ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s faster than early-Universe models predict. By linking multiple ...

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...