‘Another mind-blowing change’: New data suggests mysterious dark energy is evolving

Dark energy may not be constant – this discovery could undermine our entire model of cosmological history

DESI has made the largest 3D map of our universe. The Earth is at the central vertex, and every dot is a galaxy. DESI collaboration and KPNO/NOIRLab/NSF/AURA/R. Proctor, CC BY-SAThe great Russian physicist and Nobel laureate Lev Landau once remarked that “cosmologists are often in error, but never in doubt”. In studying the history of the universe itself, there is always a chance that we have got it all wrong, but we never let this stand in the …

‘Another mind-blowing change’: New data suggests mysterious dark energy is evolving

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.

When everything in the universe changed

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of reionization. It holds clues to the first stars and galaxies, and perhaps the nature of dark matter.