objets interstellaires

The 25 Trillion Mile Wall Keeping Aliens at Bay

Declassified Pentagon files have reignited the UFO fever, but the cold, hard laws of physics suggest that reaching Earth remains a cosmic impossibility. Jui 01, 2026

Physics

3I/ATLAS's Pulsing Jets: A Celestial Heartbeat

Astronomers have observed a steady 16.16‑hour brightness oscillation from interstellar visitor 3I/ATLAS. New analyses show pulsed jets in the coma—not the solid nucleus—are drivin… Déc 02, 2025

Space

Watch NASA Reveal Images of 3I/ATLAS

NASA will host a live briefing on Nov. 19, 2025 to release new images of the interstellar comet 3I/ATLAS. Here’s when to tune in, what instruments produced the pictures, and what … Nov 18, 2025

Space

3I/ATLAS: Iceberg, Engine, or Enigma?

New observations of interstellar visitor 3I/ATLAS have revealed an odd chemistry, strange light-scattering and sunward jets — and a debate between natural explanations and calls t… Nov 18, 2025

Harvard astrophysicist urges caution as interstellar object 3I/ATLAS draws scrutiny

An unusually large and fast interstellar object, 3I/ATLAS, is generating debate after a Harvard researcher suggested it may be artificial and urged attention to forthcoming observ… Nov 13, 2025