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JWST Sees Variable Water Clouds on Nearby Brown Dwarf as SPHEREx Maps Thousands

Evidence of rotating water clouds on WISE 0855 shows current models fail to capture cloudy transitions, motivating broader SPHEREx spectral surveys.

JWST Identifies Candidate 'Black‑Hole‑Star' From the First Billion Years

Webb Reveals Dust-Shrouded Heart of Centaurus A

Euclid Releases Largest Visible‑Light Image of the Milky Way Center

Webb Spectrum Reveals Dense Gas Cocoon Around an Early ‘Little Red Dot’

NASA Moves Roman Space Telescope Launch Up to August 30, 2026

Hubble Maps 25 Years of Expansion in the Crab Nebula

Hubble Accidentally Captures Comet C/2025 K1 Splitting Into Multiple Fragments

JWST Data Rules Out 2032 Lunar Impact by Asteroid 2024 YR4

Webb Unveils Layered 'Exposed Cranium' Nebula With Jet-Carved Divide

Schmidt Sciences Unveils Lazuli, a Private Three-Meter Space Telescope

Astronomers Make First Direct Mass Measurement of a Rogue Planet

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

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Free-Floating Planet Registers Record Growth Burst Spotted by ESO’s VLT

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b

Webb Unveils Sagittarius B2, the Milky Way’s Largest Star-Forming Cloud, in Unprecedented Detail

UCSC Model Links JWST Steam Detections to the Interiors of Sub‑Neptune Worlds

Rectangular Mirror Concept Promises Simpler Space Telescope for Finding Nearby Earth-Size Planets

Most Bright JWST Early-Universe Galaxy Candidates Are Dusty Impostors