Science ❯ Astrophysics

Galaxies

Galaxy Formation Milky Way Supermassive Black Holes Galaxy Clusters Active Galactic Nuclei Star Formation Early Universe Milky Way Galaxy Formation of Galaxies Quasars

Stellar-Mass Black Hole Found in Omega Centauri

Its 4.46-solar-mass measurement falls inside the 2.5–5 solar-mass mass gap and shows long-baseline astrometry can reveal many hidden compact objects.

Euclid Finds 31 Primordial Quasars, Including Two New Distance Records

Euclid Produces Largest Visible-Light Image of Milky Way Bulge, Resolving Over 60 Million Stars

Roman Space Telescope Arrives at Kennedy, Targets Aug. 30 Falcon Heavy Launch

Roman Space Telescope Arrives at Kennedy Space Center for Final Prelaunch Work

Study Reaffirms Cosmic Acceleration After Rebutting 2025 Deceleration Claim

JWST and ALMA Image Supernova-Driven Wind Stripping Gas From a z≈5.3 Galaxy

Kavli Prizes 2026 Honor Milky Way Mergers, Twistronics and Local Protein Synthesis

NASA Moves Roman Space Telescope Launch Up to August 30, 2026

Scientists Release Largest-Ever Map of Cosmic Magnetic Fields

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

Unreviewed Study Foresees Big Crunch in 19.5 Billion Years

Preprint Forecasts Big Crunch for the Universe Around 33.3 Billion Years After the Big Bang

NASA Moves Up Launch of Roman Space Telescope to Early September

NASA Unveils Completed Roman Space Telescope, Eyes September Launch With SpaceX

DESI Completes Five-Year Survey With Record 3D Map of the Universe

New COLIBRE Simulations Recreate Galaxy Growth and Support the Standard Model

JWST Studies Report Strongest Evidence Yet of Population III Stars Near GN‑z11

Artemis II Begins Return to Earth After Lunar Flyby

New Galaxy-Group Analyses Put Local Expansion Rate at About 64 km/s/Mpc