News Physics Zero lasing modes are not always topologicalAtomic Josephson contacts: How Bose-Einstein condensates replicate Shapiro stepsWater's enigmatic surface: X-ray snapshots reveal atoms and molecules at workPinpointing the glow of a single atom to advance quantum emitter engineeringDual substitution induces room-temperature ferromagnetism and negative thermal expansion in BiFeO₃ Space Space.com headlines crossword quiz for week of Dec. 8, 2025: NASA lost contact with which Mars spacecraft this week?'Doctor Who' spin-offs ranked: From K-9 and Daleks! to 'Class', 'The Sarah Jane Adventures' and 'Torchwood'This Week In Space podcast: Episode 189 — Privatizing OrbitWhen darkness shines: How dark stars could illuminate the early universeWatch the Geminid meteor shower peak tonight from the comfort of home with this free livestream Astrophysics RSS Error: Retrieved unsupported status code "403"