Space
Dark energy doesn’t exist, claims controversial paper
An analysis of supernovae argues that the universe鈥檚 expansion is not speeding up, so there is no need for dark energy to exist to explain it
News
Space
The rise, the fall and the rebound of cyclic cosmology
Comment
Space
The bombshell results that demand a new theory of the universe
Features
Space
A bizarre type of black hole could solve three cosmic mysteries in one
Features
Space
Crisis in cosmology: If we鈥檝e got dark energy wrong, what could it be?
Features
Physics
Does dark energy stem from a thermodynamic theory of space-time?
Video
Space
The first quantum fluctuations set into motion a huge cosmic mystery
Comment
Space
Is the expansion of the universe slowing down?
News
Space
The Vera C. Rubin Observatory is about to totally transform astronomy
News
Space
Physicists are waging a cosmic battle over the nature of dark energy
Results from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy, a mysterious force in the universe, is changing over time. This would completely re-write our understanding of the cosmos - but now other physicists are challenging this view
News
Space
Dark energy bombshell sparks race to find a new model of the universe
News
Space
Dark energy isn’t what we thought 鈥� and that may transform the cosmos
News
Space
The cosmic landscape of time that explains our universe’s expansion
Features
Physics
A new kind of hidden black hole may explain the mystery of dark energy
Features