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NASA Research Astrophysical Journal University of Oxford on 3I/ATLAS Stephen Kane Astronomy & Astrophysics Stellar Stream Legacy Survey Amir Siraj Astronomy & Astrophysics Journal Nature Astronomy Publications SAGA Survey Galaxy Composition Nature Journal Publications Astrophysical Journal Letters Astronomical Discoveries Superkilonova Observations Delegate Survey Papers on Meteorite Origins REASONS Study

Caltech Team Reports Candidate 'Superkilonova' From August Gravitational-Wave Alert

A new analysis outlines a scenario in which a supernova births two sub-solar neutron stars that immediately merge, with the association still unproven.

Day-Long, Repeating Gamma-Ray Burst From Distant Galaxy Challenges Standard Models

Coherent Satellite Planes Around NGC5713/19 Offer Window into Milky Way–Andromeda Merger