Dark Energy

A faint glow from the early universe could help solve the mystery of dark energy

'If I'm wrong, I can retire': Why some physicists are now betting big that dark energy doesn't exist

Alternative gravity theory offers possible explanation for dark energy changing over time

A 9-billion-year-old signal could help explain dark energy

Big supernova dataset provides more evidence that dark energy may not be constant but instead be changing over time

A New Catalog of Close to 3,000 Supernova Challenges Theories on Dark Energy

Scientists study 3,000 supernovas and discover that dark energy may be evolving

Dark energy debunked? Cosmic acceleration may be an illusion

Dark Energy May Not Be Constant After All, New Supernova Survey Suggests

NASA launches Roman Space Telescope to explore dark energy and distant worlds

NASA’s Roman Space Telescope could reveal dark energy’s deepest secrets

The death of dark energy is a false alarm – the universe is still accelerating

The Universe May Not Be Accelerating After All—And It Could Mean Dark Energy Never Existed

New quantum gravity theory links entropy, dark energy, and life

Millions of exploding stars could soon reveal dark energy's secrets

NASA's Nancy Grace Roman Space Telescope arrives in Florida ahead of launch. The observatory will survey the sky about 1,000 times faster than Hubble with a field of view at least 100 times wider, helping scientists study dark matter, dark energy, and exoplanets.

Dark energy is still accelerating the expansion of the universe, and astronomers are relieved. 'Thankfully, we have averted this crisis'

Could cosmic memory explain dark matter, dark energy, and black holes?

Astronomers Confirm Dark Energy After Shock Challenge Rocked Cosmology

Dark energy survives major challenge as universe keeps accelerating