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.
A 2026 study claims to have debunked a 2025 study announcing dark energy doesn't exist. New study says the Universe is ...
A new method could improve cosmology research by analyzing supernovae together with the galaxies that host them.
An international research coalition has successfully verified that the expansion of the universe is accelerating ...
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 ...
A unified solution: Comprehensive models The new study tackles this problem by modeling everything at once: supernova explosions, the galaxies that host them, the dust that dims and reddens their ...
The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...
Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...
DENVER — Tiny, exploding black holes might explain one of the biggest mysteries about how the universe, in its current form, came to be. In the cosmos, matter is much more common than antimatter. But ...