Science ❯Astronomy

Observational Astronomy

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JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

Spectra reveal light shaped by cold, dense gas that mimics stellar atmospheres.

NASA Reaffirms 3I/ATLAS Is a Natural Interstellar Comet

Day-Long, Repeating Gamma-Ray Burst Outside Milky Way Defies Existing Models

VLT Spectra Reveal Gas Ring Around V Sagittae, Hinting at Likely Nova in Coming Years

Webb Reveals 8-Light-Year Protostellar Jet, Bolstering Massive-Star Formation Theory

Interstellar Visitor 3I/ATLAS Shows Growing Tail as New Study Finds No Parent Star

Webb Detects First Silane in Ancient Brown Dwarf, Clarifying Jupiter–Saturn Silicon Mystery

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

ALMA Maps Fomalhaut’s Warped Debris Ring, Pointing to Hidden Planet Sculptors

SwRI Says Interstellar Comet Flybys Are Achievable as 3I/ATLAS Defies Expectations

Gemini Images Show 3I/ATLAS Growing a Tail, Underscoring Natural Comet Status

JWST Spots Unusually Compact Early-Universe Black Hole That May Predate Its Galaxy

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission

Vast Simulations Sharpen Limits on Primordial Magnetism With 0.2-Nanogauss Best Fit

Webb Traces Planet-Building Dust from Butterfly Nebula to ‘Butterfly Star’ Disk

Simulations Link Hypervelocity White Dwarfs to Double-Detonation Hybrid White Dwarf Mergers

New Rectangular Space Telescope Concept Targets Earth-Like Planets Within 30 Light-Years

Webb Releases Multiwavelength View of the 'Butterfly Star,' Revealing Dust Settling in a Planet-Building Disk

JWST Finds CO2-Dominated Planet-Forming Disk in NGC 6357 With Little Water

Webb Reveals Butterfly Nebula’s Hidden Core and Planet-Building Dust