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The enduring mystery of the accelerating universe

The evidence for gravitationally repulsive energy keeps getting stronger

Lucy Calder and Ofer Lahav shed light on the background to the discovery of dark energy

The monstrous black holes at the heart of every galaxy could be the source of dark energy, the force accelerating the expansion of the universe

Dark-sector interaction could explain universe evolution

Gravitational lensing focuses directly on the dark sector

Jeff Forshaw reviews "state of play" for various theories about the nature of dark matter and dark energy

Observations support idea that vacuum is pulling universe apart

A recent analysis of the so-called Integrated Sachs-Wolfe effect could help physicists to understand the mysterious entity

Results lend further support to the existence of dark energy

Results for: dark energy