Science ❯ Cosmology

Big Bang

Early Universe Universe Evolution Cosmic Evolution Cosmic Dawn Galaxy Formation Matter and Antimatter Elemental Origins Cosmic Expansion Quark-Gluon Plasma Cosmic Timeline Galaxies Galaxy Evolution Stellar Processes Elementary Particles Reionization Emergence of Life Exoplanets Element Synthesis Epoch of Reionization

Interstellar Comet 3I/ATLAS Shows Ancient, Cold Origin in JWST and Ground Spectra

New isotopic measurements point to formation in a metal-poor near-30 kelvin environment, suggesting the comet may date from 10–12 billion years ago.

IceCube Completes First Expansion in 15 Years With Six New Detector Strings

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

Webb Peers Into Cosmic Dawn With Deepest Single-Target View of Abell S1063