On New Year’s Day, 1925 attendees at an astronomical conference heard one of the most influential scientific presentations of ...

However, a 2023 paper calculates the age of the universe as roughly twice that—26.7 billion years old. What gives? The paper's logic rests on a phenomenon called "tired light," which physicist ...

The idea that Saturn's rings are young seemed very strange in the context of the solar system's long evolutionary history." ...

Therefore, this means that A2744-GDSp-z4 assembled a mass of 10 billion solar masses in a few hundred million years and the age of the universe at the galaxy's redshift was only about 1.5 billion ...