Astronomers studying the cosmic microwave background (CMB) have uncovered new direct evidence for dark energy – the mysterious substance that appears to be accelerating the expansion of the universe.

The maps we ... microwave background. Once light and matter were no longer bound, an excess of the normal matter was left in spherical shells around the overdensities of dark matter.

The Dark Energy Survey collaboration involves researchers from around the world ... today and the map suggests matter is 'less clumpy' than predictions based purely on the background radiation ...

Researchers have created the largest ever map of dark matter, the invisible material thought to account for 80 per cent of the total matter in the universe. As matter curves space-time ...