Science ❯ Astrophysics

Galactic Dynamics

Supermassive Black Holes Star Formation Milky Way Active Galactic Nuclei Black Hole Behavior Angular Momentum Stellar Encounters Gas Dynamics Expansion Rates Star Orbits

Scientists Report Evidence That Milky Way’s Black Hole Blows a Gentle Wind

The finding suggests that even a quiescent supermassive black hole can clear nearby gas, with potential to slow star formation.

DECam Image Reveals Sombrero Galaxy’s Giant Halo and Stellar Stream

New COLIBRE Simulations Recreate Galaxy Growth and Support the Standard Model

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

Gaia Finds Thousands of Solar Twins, Tying the Sun to a Mass Migration Across the Milky Way

Dark Matter Core Model Challenges Black Hole at Milky Way’s Center

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

South Korean Study Claims Cosmic Expansion Is Slowing, Challenging Dark Energy Orthodoxy

Scientists Detect Largest Known Rotating Filament in the Cosmic Web

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

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy

Runaway Magnetar Challenges Traditional Formation Theories

Citizen Scientists Discover Rare Hypervelocity Object Escaping the Milky Way

Astrophysicists Propose Dark Matter Solution to Supermassive Black Hole Merger Mystery