Science ❯ Astrophysics

Galactic Dynamics

Supermassive Black Holes Milky Way Black Hole Behavior Active Galactic Nuclei Merging Galaxies Star Orbits Angular Momentum Galaxy Mergers Stellar Encounters Gravitational Forces

Gaia Survey Points to Sun’s Outward Migration With Thousands of Stellar Twins

A new Gaia-based catalog of 6,594 solar twins points to a coordinated outward trek 4 to 6 billion years ago tied to the Milky Way’s emerging bar.

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