The universe is expanding, driven by the unknown force that we've named Dark Energy. Dark Energy is also accelerating the rate of expansion. If scientists could figure out why, it would open up a ...

This analysis, combined with other astrophysical data, offers mounting evidence that the impact of dark energy may be weakening over time and that the standard model of how the universe works may ...

This analysis, combined with other astrophysical data, offers mounting evidence that the impact of dark energy may be weakening over time and that the standard model of how the universe works may ...

Science's best understanding of how the universe works, which is called the standard cosmological model ... including looking at the lingering radiation from after the Big Bang, exploding stars called ...

WASHINGTON (Reuters) - New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that ...