Science ❯ Astrophysics ❯ Cosmology

Big Bang

Early Universe Galaxy Evolution Cosmic Evolution Galaxy Formation Formation of Black Holes Inflation Nucleosynthesis Universe Formation Cosmic Inflation Cosmic Dawn Quasars Supermassive Black Holes Cosmic Microwave Background Element Abundance Universe History Star Evolution Universe Evolution Formation of Stars Hydrogen Formation Matter-Antimatter Asymmetry Galactic Development Ancient Universe Star Formation Reionization Black Hole Formation Early Universe Observations Cosmic Noon Redshift Universe Development Universe Expansion

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

Extreme isotope measurements suggest our local comets may not represent comet chemistry across the galaxy.

JWST Measures 50‑Million‑Solar‑Mass Black Hole That Outweighs Its Host

Astronomers Find Most Pristine Star Yet From the Large Magellanic Cloud

CERN Moves Antimatter by Truck for the First Time

JWST Confirms MoM‑z14, Most Distant Galaxy Yet, at Redshift 14.44

JWST and ALMA Reveal Early Massive Galaxy Quenched by Black Hole Starvation

Nature Study Finds Early Galaxy Cluster With Gas Five Times Hotter Than Models Allow

NASA’s SPHEREx Releases First Full-Sky Infrared Map in 102 Colors

JWST Detects Chemical Traces of 1,000–10,000‑Solar‑Mass First Stars in Galaxy GS 3073

Astronomers Unveil Largest Low-Frequency Radio Color Map of the Milky Way

First Radio Image Resolves Two Supermassive Black Holes in Quasar OJ287

UMass Study Predicts Strong Odds of Witnessing a Primordial Black Hole Explosion Within a Decade

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

PRL Study Links Dark Energy to Black Holes Using DESI Data