3I/ATLAS

Data this week show interstellar comet 3I/Atlas slowed to near‑stop about 27 million km from Mars, forcing scientists to re-evaluate non‑gravitational forces and orbital models us… 2月 22, 2026

A rare interstellar visitor, 3I/ATLAS, has produced an unexpected sunward glow that has left scientists baffled. New multi‑telescope data shows unusual chemistry and morphology; a… 2月 17, 2026

Data from the SOHO spacecraft has provided a rare look at 3I/ATLAS, the third known interstellar object to enter our solar system. Unlike the mysterious 'Oumuamua, this visitor ex… 1月 24, 2026

Comet 3I/ATLAS—only the third confirmed interstellar object to visit our solar system—has been scanned by major radio and optical facilities; scientists report no signs of enginee… 1月 13, 2026

NASA’s Europa Clipper and other spacecraft have returned ultraviolet views of the interstellar comet 3I/ATLAS, validating flight hardware and mapping gas and dust while coordinate… 1月 09, 2026

The CIA issued a Glomar reply to a FOIA request about interstellar visitor 3I/ATLAS, prompting fresh debate about what intelligence agencies may quietly monitor even when NASA cal… 1月 08, 2026

Astronomers say interstellar comet 3I/ATLAS experienced a small acceleration that gravity alone can't explain. Here's what the measurements mean, how jets of gas can push a comet,… 12月 17, 2025

New images and telescope data show interstellar visitor 3I/ATLAS sporting a rare sunward anti‑tail whose orientation has shifted as the object nears its closest approach on 19 Dec… 12月 15, 2025

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… 12月 02, 2025

The UN has formally designated the interstellar comet 3I/ATLAS as the focus of a global planetary-defence drill, turning an unusual cosmic visitor into a real-world test of humani… 11月 27, 2025

The International Asteroid Warning Network has announced a global astrometry campaign targeting interstellar comet 3I/ATLAS from late November 2025 through January 27, 2026. The e… 11月 13, 2025