Dark energy might not be constant after all
First results from the Dark Energy Spectroscopic Instrument offer hints of new physics.
Source: arstechnica.com
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Study: Conflicting values for Hubble constant not due to measurement error
Something else is influencing the expansion rate of the Universe.
Source: arstechnica.com
Warped supernova spotted by James Webb Space Telescope could settle a longstanding debate
Gravitationally lensed images of two different supernovas in the same galaxy can be used to measure the expansion rate of the universe.
Source: yahoo.com
Webb Spots Ancient Supernova in a Gravitational Lens
Last month, astronomers focused the Webb Space Telescope on the galaxy MRG-M0138 and found something surprising: a supernova in the ancient universe, magnified for your viewing pleasure by the gravitational lensed galaxy.
Source: yahoo.com
Webb Sees a Supernova Go Off in a Gravitationally Lensed Galaxy - for the Second Time
Astronomers found two supernovae in one galaxy, only a few years apart. This is an unprecedented opportunity to measure the Hubble Constant.
Source: universetoday.com