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Telescope Observations

Very Large Telescope Hubble Space Telescope European Southern Observatory Subaru Telescope Gemini South Telescope Virtual Telescope Project James Webb Space Telescope Amateur Astronomy ATLAS Survey Hubble Observations

Astronomers Find 20 Very‑Metal‑Poor Stars Near Milky Way Disk and Propose a Lost Dwarf Galaxy

The team says shared chemical fingerprints and mixed orbits point to an early merger that could add a missing piece to the galaxy’s formation story.

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

Interstellar Visitor 3I/ATLAS Reaches Perihelion as Anti-Tail Claim Draws New Questions

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

Tiny Target for Hayabusa2: 1998 KY26 Measures 11 Meters and Spins in Five Minutes

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

Ringed Centaur Chiron Slips into Retrograde Orbit