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Swift Observatory Plunges Toward Uncontrolled Reentry Over Tropical Band

Predicted debris and a roughly 1-in-2,100 casualty risk spotlight gaps in end-of-life rules for aging satellites.

Companion Seen Distorting Betelgeuse's Atmosphere

Lumina Simulation Recreates First Two Billion Years of the Universe

Researchers Calculate First Green Star Among Colorful White Dwarfs

Astronomers Say a White Dwarf Would Appear Green to Human Eyes

White Dwarf Modeled to Appear Green, Study Finds

Astronomers Identify First Green Star Among Nearby White Dwarfs

New JWST Technique Maps Uneven Atmosphere of Hot Jupiter WASP‑17b

Most Distant Fast Radio Burst Traced to Tiny Star‑Forming Galaxy

Most Distant Fast Radio Burst Traced to Tiny Star-Forming Galaxy at Redshift 2

Francis Halzen Wins 2026 Nobel Prize in Physics for IceCube Neutrino Discovery

Francis Halzen Wins 2026 Nobel Prize in Physics

Gemini North Reveals Knotty Filaments in Pa 30 Linked to SN 1181

Ex‑U.S. Intel Officer Says NRO Was Surprised by India’s 2019 ASAT Test

CHIME Detects Faint 21 cm Hydrogen Glow at z ≈1 Using Only Its Own Data

SpaceX’s Starship Reaches Orbit and Deploys 26 Starlink Satellites

SpaceX Attempts First Orbital Insertion of Starship

Simulations Suggest JWST’s Little Red Dots Are Rapidly Growing Black Hole Seeds

SpaceX Sets Sept. 22 for Starship’s First Orbital Attempt

CERN Recreates Cosmic-Ray Air Showers in the Lab