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Galactic Studies

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ALMA Data Open Millimeter Band as New SETI Search Frontier

This work shows archived high-frequency observations can expand searches for technosignatures.

TESS Detects First Planet by Gravitational Microlensing

Six Young Red Dwarfs Show Signs of Swallowing Earth‑Sized Rocky Planets

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

First All-Sky Census of Nearby K Dwarfs Flags 529 Prime Targets for Earth-Like Planet Searches

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Saturn-Mass Rogue Planet Gets First Direct Mass and Distance Measurement

Astronomers Unveil Largest Low-Frequency Radio Color Map of the Milky Way

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Gaia DR3 Maps 35,000 Variable Stars Across 1,200 Milky Way Open Clusters

Hubble Captures Coma of Interstellar Comet 3I/ATLAS as Experts Uphold Natural Origin

Global Telescopes Capture Active Coma of Interstellar Comet 3I/ATLAS

Active Interstellar Comet 3I/ATLAS Set for Safe Solar System Passage

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