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Astronomers Make First Direct Mass Measurement of a Rogue Planet

Simultaneous Earth–Gaia observations produced a microlens‑parallax signal that broke the long‑standing mass–distance degeneracy.

ESA Releases 43-Minute James Webb Fly-Through for Telescope's Fourth Launch Anniversary

Hubble Captures Record-Breaking Chaotic Planet-Forming Disk 1,000 Light-Years Away

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

NASA’s SPHEREx Releases First Full-Sky Infrared Map in 102 Colors

NASA Details Roman Telescope’s Milky Way Map and Dark Energy Void Surveys as Launch Prep Advances

NASA Completes Roman Space Telescope Construction as Final Testing Begins

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Study Flags Hidden Venus Co-Orbitals That Could Drift Into Earth-Crossing Paths

Webb Spots Methane Gas Above Dwarf Planet Makemake

Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS

James Webb Spots Tiny New Moon Orbiting Uranus

Webb Reveals Binary Interaction in Planetary Nebula NGC 6072 and Detects 2,500 Early Galaxies

Webb’s 100-Hour Mid-Infrared Survey of Hubble Ultra Deep Field Reveals Ancient Galaxies

Simulations Predict Roman Telescope Will Record About 100,000 Cosmic Explosions

Webb Reveals Young Stars Sculpting Cat’s Paw Nebula on Third Anniversary

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

Oort Cloud’s Largest Known Comet Unleashes High-Speed Carbon Monoxide Jets