New evidence suggests cosmic expansion may reverse and cause the Universe to implode in a spectacular finale

Whatever the nature of dark energy is, it will shape the future of our Universe

Michael Levi, DESI Director

What's the science behind this headline? Find out in our 1-minute read.

• Scientists have created the largest ever 3D map of the Universe, revealing new clues about its fate
• Fresh data suggests dark energy – the mysterious force accelerating cosmic expansion – may be weakening over time
• If dark energy’s pull fades, the Universe could eventually collapse in a dramatic ‘Big Crunch’ instead of drifting into a cold, endless ‘Big Freeze’
• The findings challenge the long-held belief that dark energy is constant, reshaping our understanding of cosmic evolution
• The results open the door for new theories and experiments that could finally solve one of science’s greatest mysteries