Cosmology

Universe Early Universe Dark Matter Big Bang Theory Galaxies Universe Structure Big Bang Universe Evolution Solar System Cosmic Events

DESI Finishes 5-Year Survey With Record 3D Map of 47 Million Galaxies

A full 2027 analysis could confirm hints that cosmic acceleration is weakening.

Apophis Will Sweep 20,000 Miles From Earth in 2029 Close Pass, NASA Says

Cosmic Bounce Theory Suggests Black Hole 'Fossils' Could Account for Dark Matter

Largest-Ever Cosmic Test Finds Gravity Falls With Distance as Theory Predicts

JWST Studies Report Strongest Evidence Yet of Population III Stars Near GN‑z11

Two-Component Dark Matter Model Offers New Explanation for Milky Way Gamma-Ray Excess

Astronomers Find Most Pristine Star Yet From the Large Magellanic Cloud

Rubin Observatory Unveils 11,000 Newly Discovered Asteroids

CERN Moves Antimatter by Truck for the First Time

CERN Moves Antiprotons by Truck for the First Time

MeerKAT Detects Most Distant Hydroxyl Megamaser, Magnified by a Cosmic Lens

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Astronomers Publish Evidence of Planetary Collision Around Sun-Like Star

ALMA Reveals 3I/ATLAS Is Exceptionally Methanol‑Rich, Indicating a Heterogeneous Interstellar Comet

KM3NeT Study Points to Blazar Population as Plausible Source of Record 220 PeV Neutrino

Webb Unveils Layered 'Exposed Cranium' Nebula With Jet-Carved Divide

ALMA Team Releases Largest Radio Map of the Milky Way’s Core

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

ESO/ALMA Unveil Largest, Sharpest Radio Map of the Milky Way’s Turbulent Core

Bayesian Study Finds Hidden Nearby Alien Signals Unlikely, Urges Galaxy-Wide SETI Surveys