This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

Unfortunately this is a very different number to measures based on the stretching of ancient light left from the dawn of time after eons of expansion ... think about the Universe, and it's ...

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' that reverse the growth of the cosmos, a new pre-print study hints.

An international team of astronomers has detected the bright hydrogen emission coming from a galaxy located in an unusually ...

By measuring how their light is stretched by the expansion of space, astronomers calculate the expansion rate of the universe today. This method yields a Hubble constant of about 73 kilometers per ...

Europe's Euclid space telescope, which is on a mission to shed light on the mysteries of dark matter and dark energy, ...

It doesn't interact with baryonic matter and it's completely invisible to light and other forms ... force of gravity would slow down the expansion of the universe over time. But when two ...