Scientists have found compelling observational evidence of supermassive "first stars" in a galaxy called GS 3073 that blazed ...

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

The Nancy Grace Roman Space Telescope has quietly crossed a threshold that turns a long‑planned mission into a near‑term ...

A University of Manchester astronomer is set to build the most detailed and accurate model of the radio sky ever built, offering new insights into the first stars, galaxies, and possibly new ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

A University of Manchester astronomer is set to build the most detailed and accurate model of the radio sky ever built, ...

The University of Innsbruck is coordinating a new FWF special research area on the dark universe, which seeks answers to the ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just five percent of its current age, astronomers said Tuesday.

These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important ...

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...