Ancient Milky Way stars challenge the age of the universe and the Hubble tension
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments.…
Scientists develop a new way to measure the expansion rate of the universe
For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe…
Astrophysicists Propose New Method to Measure Hubble Constant
Astrophysicists from the University of Illinois and the University of Chicago have developed an innovative method to measure…
A cosmic anomaly suggests we need to rethink the shape of our universe
In recent years, Nobel Prize–winning physicist James Peebles, one of the main architects of the standard cosmological model,…
The universe could very well be lopsided
The shape of the universe is not something we often think about. But my colleagues and I have…
New independent measurements of universe expansion rate deepen cosmic mystery : Kauai Now
A team of astronomers using a variety of ground and space-based telescopes — including W. M. Keck Observatory…
Astronomers sharpen universe’s expansion rate, deepening cosmic mystery : Big Island Now
A team of astronomers using a variety of ground and space-based telescopes — including W. M. Keck Observatory…
“Cosmology as We Know It May Be Broken”: New Confirmation of the Hubble Tension Challenges Existing Models
New measurements by astronomers have strengthened the Hubble tension, a discrepancy between the early expansion rate of the universe…
Study Suggests Dark Energy Weakening, Slowing Universe Expansion
In the vast expanse of cosmology, few concepts have stirred as much intrigue and debate as dark energy.…