The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...

New radio observations of molecular gas reveal how dozens of galaxies could have rapidly merged together in the early ...

Deep inside a nearby galaxy, a black hole sits behind a thick wall of dust. Almost all its light gets trapped.

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

"We found an unexpected chemical complexity, with abundances far higher than predicted by current theoretical models." ...

The University of Arizona is set to launch Galaxy Slam, a weeklong celebration of its legacy in space science and research.

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

Galaxy clusters are the heaviest structures in the universe, yet most of their mass is invisible, inferred only from the way it tugs on light and galaxies. Now a new class of “dead” stars, white ...

New radio observations of the Milky Way are exposing hidden patterns in its magnetic field. People have scanned the night sky ...

A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.

Follow-up observations with the Five-hundred-meter Aperture Spherical Telescope (FAST) and new data from Parkes and the Green ...