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 ...

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, ...

New ideas can shift everything you thought you understood, and these science books offer that rare spark that leaves your ...

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 ...