Dec 4, 2025 · Comet 3I/ATLAS is the third known object from outside our solar system to be discovered passing through our celestial neighborhood. Astronomers have categorized this object as interstellar …

The prefix "3I" designates it as the third confirmed interstellar object passing through the Solar System, after 1I/ʻOumuamua and 2I/Borisov. [21] 3I/ATLAS is an active comet consisting of a solid icy …

Track 3I/ATLAS in real-time with NASA data including current position, velocity, and sky coordinates.

4 days ago · Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

See the live position and real-time trajectory of interstellar comet 3I/ATLAS (C/2025 N1). Our interactive tracker uses the latest NASA/JPL ephemeris data for the most accurate simulation.

Jan 2, 2026 · Silence from 3I/ATLAS The Breakthrough Listen program conducted its technosignature search as 3I/ATLAS neared its closest point to Earth on December 18.

Jul 2, 2025 · Significance: Discovered before perihelion, 3I/ATLAS offers a rare chance for extended observation, helping scientists explore the nature and history of objects traveling through interstellar …

Sep 8, 2025 · Confirmed as a comet, 3I/Atlas is one of only three interstellar objects we’ve detected entering our solar system. Northeastern’s Jacqueline McCleary breaks down what makes it special …

Aug 21, 2025 · Discovered in early July, the mysterious object known as 3I/Atlas has sparked intense speculation. Could it be a comet, a fragment of cosmic debris—or something far stranger, like an alien...

Aug 10, 2025 · The Hubble Space Telescope’s observations of 3I/ATLAS open an exciting chapter in our understanding of interstellar objects. This rare visitor from another star system carries secrets …