Here’s one of the most unsettling facts in all of science. The universe is not just expanding, it’s expanding faster and ...

Once charted as a 'guest star' in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the ...

The team, which included Nobel laureates, debunked claims that cosmic expansion was slowing down.

Astronomers may have discovered one of the clearest examples yet of a rare "pair-instability" supernova. It is a catastrophic ...

A bold claim that the universe’s accelerating expansion was an illusion has been put to the test—and failed. Researchers ...

Nobel laureates Adam Riess and Brian Schmidt co-authored a June 2026 rebuttal correcting two errors in a 2025 South Korean ...

An international research coalition has successfully verified that the expansion of the universe is accelerating ...

Stars at the center of the Milky Way galaxy, via the Spitzer Space telescope - credit NASA, JPL-Caltech, S Stolovy (SSCCaltech). Our understanding of the universe remains solid, say astronomers whose ...

In recent years, whenever astronomers have gazed into the night sky, they’ve noticed something peculiar: Some of its massive stars—the true titans of the cosmos—appear to be missing. The largest of ...

The James Webb Space Telescope is weighing in on a longstanding debate over why we don’t see more of the most massive red supergiant stars go supernova. NASA/ESA/CSA/Northrop Grumman In recent years, ...