Expanding catalog of black hole collisions is rewriting the history of the universe
Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals,…
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…
What a rare lensed supernova could mean for measuring cosmic expansion
A burst of light in the deep sky is doing something it should not be able to do.…
The James Webb telescope confirms a troubling mystery about the universe’s expansion
The James Webb Space Telescope, working alongside Hubble, has uncovered an unsettling contradiction about how fast the universe…
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…