November 5, 2025

The enigma of 3I/ATLAS: a potential interstellar spacecraft disguised as a comet, according to Harvard scientists.

On July 1, 2025, a new interstellar object was detected from Chile by the ATLAS alert system. This marks the third confirmed interstellar body, following [previous examples]. Traveling at over 210,000 kilometers per hour and following a hyperbolic trajectory, it originates from outside the Solar System and will not return.

Initially perceived as just another ordinary comet, this object soon became an enigma that divided the scientific community.

### A Comet Behaving Unlike the Others

![3I/Atlas, the interstellar object that baffles NASA: “It does not behave like a comet”](https://es.gizmodo.com/app/uploads/2025/10/Diseno-sin-titulo-22-6.jpg)

With a visible coma of gas and icy dust generated by ice sublimation as it approaches the Sun, it initially appeared to fit the comet model. However, [scientist’s name] openly disagrees. The brightness and trajectory of 3I/ATLAS do not align with any natural comet model. Its flat, retrograde movement perfectly aligned with the Solar System’s equator could be more characteristic of an artificial object than a wandering rocky body.

Australian physicist Horace Drew went further by detecting a potentially inexplicable deviation in its course towards Earth after simulating its passage near Mars. He suggests that its origin may be technological or guided behavior cannot be ruled out.

### NASA’s Official Position

![3I/Atlas, the interstellar object that baffles NASA: “It does not behave like a comet”](https://es.gizmodo.com/app/uploads/2025/10/Diseno-sin-titulo-23-6.jpg)

NASA asserts that observations from the Hubble and James Webb telescopes confirm a composition rich in carbon dioxide and dust, typical of comets. The agency considers the “anomalies” to be mere observational effects and finds no evidence of manipulation or artificiality.

### A Mystery Just Beginning

On October 29, [object’s name] will reach its closest approach to the Sun, between the orbits of Earth and Mars. Telescopes worldwide will continue to monitor its passage with millimeter precision.

Meanwhile, the question remains: is 3I/ATLAS just another comet, or a sign that we are not alone? Sometimes, the universe’s greatest mysteries begin with something as small as a point of light crossing the sky.

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