Cosmology

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

Antarctic Ice Traces Solar System’s Passage Into a Local Interstellar Cloud

New measurements of the rare isotope iron-60 reveal a shifting influx of interstellar dust.

New Method Uses Black Hole Signals to Fix Gravitational-Wave Detector Errors

Gravitational-Wave Study Says the Biggest Black Holes Grow Through Repeat Mergers

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Enrichment, Study Finds

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

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

CERN Moves Antimatter by Truck for the First Time

Webb Data Point to Sulfur‑Rich Magma‑Ocean Planet L 98‑59 d

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