Science ❯ Astronomy

Galactic Dynamics

Galaxy Mergers Galactic Collision Milky Way Galaxy Kinematics Local Group Milky Way Stellar Evolution Star Movement High-Speed Objects Star Age

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

Ages of more than 100,000 giant stars trace a sharp cutoff in star birth across the disk.

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

ALMA Team Releases Largest Radio Map of the Milky Way’s Core

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

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

Interstellar Comet 3I/ATLAS Crosses Solar System on 68 km/s Trajectory

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

Milky Way and Andromeda Galaxies Now Seen as 50% Likely to Miss Each Other

Star Formation in Galaxies Tied to Gas Location, Not Quantity

Hubble Captures Largest-Ever Image of Andromeda Galaxy, Revealing Chaotic Past

Astronomers Discover Triple-Star System with Black Hole

Citizen Scientists Discover Rare Hypervelocity Object Escaping the Milky Way

Citizen Scientists Discover Star Traveling at 1 Million MPH