Is 3I/Atlas a Comet—or Something Far Stranger?

A mysterious object speeding through the Milky Way has sparked debate among scientists and officials. Named 3I/Atlas, the body was first spotted in July 2025 by astronomers in Chile. While NASA later classified it as a comet, some researchers—including a Harvard professor—question whether it could be something far stranger.

The CIA has added to the intrigue by refusing to discuss any records linked to the 3i atlas, citing national security concerns.

The story of 3i atlas began when astronomers at Spain's University of A Coruña detected an unusual object moving at extraordinary speed. Early analysis suggested it might predate Earth itself, raising questions about its origins. By July 2025, observers in Río Hurtado, Chile, confirmed its existence as the third known interstellar visitor after 1I/'Oumuamua and 2I/Borisov.

Unlike 'Oumuamua, which behaved more like an asteroid, 2I/Borisov showed clear comet-like activity, such as gas emissions. Scientists confirmed it came from material orbiting another star. 3i atlas, however, moved even faster—reaching roughly 246,000 km/h at its closest approach to the Sun—with surprisingly little outgassing. NASA temporarily halted observations by its TESS satellite in January 2026 to focus on tracking the 3iatlas. The SPHEREx mission also detected strong gas signatures in August 2025, and further monitoring continued into spring 2026 using Hubble, the James Webb Space Telescope, and even Mars-based missions.

Despite NASA's conclusion that 3i atlas is a comet, Harvard's Avi Loeb identified 12 unusual traits that set it apart. These anomalies led him to suggest it might not be a natural object at all. Meanwhile, the CIA's silence on the matter has only deepened speculation. When asked about records related to the 3iatlas, the agency neither confirmed nor denied their existence, stating only that disclosure could harm national security.

The debate comes as Harvard researchers continue to argue that extraterrestrial life may already be present on Earth. While no direct link has been made to the 3iatlas, the object's strange behaviour keeps the discussion alive.

NASA maintains that 3i atlas is a comet, though its high speed and lack of typical cometary activity remain puzzling. Observations will carry on as the object moves near Jupiter's orbit, with multiple space missions involved. The CIA's refusal to comment ensures that questions about its true nature—and whether it holds any secrets—will linger for some time.