A galaxy with earliest star signatures found during cosmic noon
Tokyo, Japan (SPX) Nov 15, 2025
Researchers led by the Department of Astronomy at Tsinghua University have identified a galaxy labeled CR3, which shows evidence of containing stars from the earliest phase of the universe. The team ... more
New research with GW230814 upholds Hawking black hole area law
Tokyo, Japan (SPX) Nov 15, 2025
Researchers from Purple Mountain Observatory have conducted an observational test of the black hole area law. Using the gravitational-wave event GW230814, which features a high signal-to-noise ratio ... more
Reading a quantum clock costs more energy than running it, study finds
Oxford UK (SPX) Nov 15, 2025
A study led by the University of Oxford has identified a surprising source of entropy in quantum timekeeping - the act of measurement itself. In a study published 14 Nov in Physical Review Letters, ... more