Science ❯ Astronomy

Galaxies

Milky Way Galaxy Formation Spiral Galaxies Galaxy Clusters Dwarf Galaxies Star Formation Supermassive Black Holes Early Universe Galaxy Mergers Active Galactic Nuclei

JWST Detects Metal-Enriched Outflows from Galaxies 500 Million Years After the Big Bang

The finding shows early galaxies drove metal-rich winds that change when and how cosmic gas became chemically enriched.

Hubble Captures Galaxy With Perpendicular Inner Disk

Simulations Suggest JWST’s Little Red Dots Are Rapidly Growing Black Hole Seeds

Survey Finds Rings, Bicones and Central Shocks as a Common Structure in Seyfert Galaxies

Chandra Finds 84 ‘Hypersoft’ X‑Ray Sources Hidden in Six Galaxies

JWST Pixel Analysis Reveals Four Close Little Red Dot Pairs Pointing to Early Black‑Hole Clustering

A Full Month of Sky Events to Watch in September 2026

NASA Launches Nancy Grace Roman Space Telescope

Roman Space Telescope Set to Launch Sunday on SpaceX Falcon Heavy

NASA’s Roman Space Telescope Set for Falcon Heavy Launch Sunday

NASA Releases 16-Image Chandra Gallery Showing High-Energy Forces That Shape Galaxies

Roman Telescope Poised at Cape Canaveral Ahead of Aug. 30 Falcon Heavy Launch

Webb Stacking Reveals Tiny Galaxies Hosting Bright, Growing Black Holes

JWST Spectra Show Hidden Low‑Mass Stars That Raise Galaxy Masses

Fastest Milky Way Star S301 Could Let Astronomers Measure Black Hole Spin

Astronomers Discover S301, the Milky Way’s Fastest Star Orbiting Sagittarius A*

Astronomers Report Candidate 'Black‑Hole Star' From Cosmic Dawn

Fastest Known Star S301 Found on Tight Orbit Around Milky Way’s Black Hole

Milky Way Absorbed a Dwarf Galaxy About 11.8 Billion Years Ago

Study Finds Webb’s Little Red Dots Often Hide Obscured Black Holes and Faint Hosts