Dark EnergyOctober 28, 2021
Could Gravity’s Quantum Origins Explain Dark Energy?
A potentially transformative theoretical study links a new model of quantum gravity with the universe’s bizarrely accelerating rate of expansion
Dark Energy
AstronomyAugust 18, 2021
This Report Could Make or Break the Next 30 Years of U.S. Astronomy
A battle for the future of American stargazing is about to begin—and the stakes are sky high
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CosmologyFebruary 1, 2021
The Cosmological Constant Is Physics’ Most Embarrassing Problem
Physicists have new ideas about why the energy of empty space is so much weaker than it is predicted to be