Science ❯ Astronomy

Galactic Dynamics

Galaxy Mergers Galactic Collision Milky Way Galaxy Kinematics Local Group Planetary Formation Milky Way Cosmic Events Galaxy Collision High-Speed Objects Cosmic Collisions Star Movement Galaxy Structure Feedback Loops Galactic Mergers Galaxy Evolution Object Origin Wave Phenomena Tidal Disruption Gas Clouds Stellar Evolution Supernovae Star Age Stellar Ages

10 ARTICLES

2mo ago

Simulations Suggest Milky Way Disk Flipped After Ancient 'Gaia Sausage' Collision

Researchers say a reorientation could explain the galaxy’s unusually slow stellar halo and points to specific observational tests to confirm the idea.

6 ARTICLES

3mo ago

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

3 ARTICLES

5mo ago

Astronomers Pinpoint the Milky Way’s Star-Forming Edge at About 35,000–40,000 Light-Years

5 ARTICLES

last yr.

Star Formation in Galaxies Tied to Gas Location, Not Quantity

Galactic Dynamics

Simulations Suggest Milky Way Disk Flipped After Ancient 'Gaia Sausage' Collision

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

Astronomers Pinpoint the Milky Way’s Star-Forming Edge at About 35,000–40,000 Light-Years

Astronomers Report Most Metal-Poor Star Yet From the Large Magellanic Cloud

Gaia Maps 'Great Wave' Rolling Through the Milky Way's Outer Disk

Milky Way’s Fate Hinges on 50-50 Odds of Andromeda Collision

Study Finds 2% Chance of Milky Way–Andromeda Collision in 5 Billion Years

Star Formation in Galaxies Tied to Gas Location, Not Quantity