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Telescope Observations

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Ancient Metal-Poor Stars Found Inside Milky Way’s Disk

Matching chemical fingerprints and inferred ages suggest the group may be debris from an early dwarf-galaxy merger pending further confirmation.

Crescent Moon Joins Venus, Jupiter and Mercury in a Low‑West Evening Planet Parade

JWST Detects Methane From Interstellar Comet 3I/ATLAS

Hubble Spots First Known Comet Spin Reversal

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Astronomers Tie Distant Star’s Chaotic Fading to Evidence of a Planetary Collision

Crescent Moon Brushes Past Saturn Tonight, With Neptune Nearby

Astronomers Spot Long-Lived Bow Shock Around Diskless White Dwarf, Defying Models

Hubble Data Tie Betelgeuse’s 6-Year Variations to Hidden Companion’s Gas Wake

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

Radio Detection From 3I/ATLAS Bolsters Natural-Comet Explanation

Keck Confirms Anti-Solar Tail and Nickel-Rich Emissions From Interstellar Comet 3I/ATLAS

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

Skyscraper-Size Asteroid 2025 FA22 Makes Safe Earth Flyby on Sept. 18

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

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

First Trans-Neptunian Object Found in 10:1 Neptune Resonance

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

Astronomers Capture First Visual Proof of Double-Detonation in Type Ia Supernova Remnant