Science ❯ Astronomy

Cosmic Structures

Cosmic Web Nebulae Galaxies Galaxy Clusters Odd Radio Circles Gas and Dust Interstellar Medium Cone Nebula Gas and Dust Bubbles Dust Clouds

Webb Reveals Hidden Dust and Gas Structures in the Lion Nebula

Webb’s infrared images let scientists trace how a central white dwarf sculpts dust and ionized gas inside NGC 2392.

JWST Survey Delivers Most Detailed Map of the Cosmic Web to Date

James Webb Maps the Universe’s Cosmic Web in Record Detail

Hubble Marks 36 Years With New Trifid Nebula View

Hubble Marks 36 Years With Sharper Trifid Nebula Portrait That Shows Change

Study Links Self-Interacting Dark Matter Clumps to Three Cosmic Puzzles

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

New Images and Holiday Sky Guides Spotlight the Christmas Tree Cluster

EarthSky Names 2025’s Top Stories, Led by Interstellar Comet 3I/ATLAS

Astronomers Map 50-Million–Light-Year Rotating Cosmic Filament Nearby

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

ESO Telescope Reveals Bat-Shaped Stellar Nursery 10,000 Light-Years Away

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

Astronomers Spot Giant Overlapping Double Radio Ring 7 Billion Light-Years Away

Citizen Scientists Find Most Distant, Most Powerful Odd Radio Circle With Double Rings

Citizen Scientists Find Most Distant, Most Powerful Odd Radio Circle With Twin Rings

Webb Traces Planet-Building Dust from Butterfly Nebula to ‘Butterfly Star’ Disk

ALMA Maps 1.4‑Light‑Year, Sun‑Mass Bubble Around Red Supergiant DFK 52

Webb Telescope Confirms First Extraterrestrial Water Ice in Young Star System

Hubble Reveals Enhanced Image of Eagle Nebula’s Towering Gas Pillar