The James Webb Space Telescope has taken a detailed look at the Milky Way's monstrous young supercluster Westerlund 1.

Using a decade’s worth of data from the H.E.S.S. telescopes in Namibia, they’ve observed a sharp kink in the energy spectrum ...

Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe. New research may explain how they formed, thanks to primordial "seeds".

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

A breathtaking galactic collision in Stephan's Quintet has been observed, in which five galaxies collide at two million mph, ...

Scientists may have uncovered how supermassive black holes, forming mere hundreds of millions of years after the Big Bang, ...

The WEAVE telescope has documented a high-speed collision of galaxies in Stephan's Quintet, revealing the powerful shockwaves ...

An international team of researchers has made new observations of an unusual supernova, finding the most metal-poor stellar explosion ever observed.

NGC 2090, featured in this latest Hubble Space Telescope image, is a key galaxy in recalibrating the Hubble constant.

A series of "red monsters" discovered by the James Webb Space Telescope (JWST) are complicating our accepted ideas about the ...

Scientists have watched in unprecedented detail as galaxies smashed into each other at two million miles per hour. The team ...