Zhang said that, technically, comet 3I/ATLAS has only appeared to "change color" a single time  —  when its coma became ...

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Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

In July 2025 a curious visitor entered our Solar System: the interstellar object dubbed 3I/ATLAS. Unlike typical space rocks that circle the Sun and behave like known comets or asteroids, this one has ...

Full Supermoon . See the biggest and brightest moon of the year—the full supermoon—on the evening of Nov. 5. The moon will officially reach its fullest state at 8:19 a ...

Halloween is upon us and the 2025 spooky season is abuzz with talk of three cosmic visitors — Comet Lemmon, Comet SWAN and the interstellar traveler 3I ATLAS — said to be haunting the night sky. But ...

Look tonight, before trick or treating, just after sunset toward the west-southwest horizon to attempt to spy faint Mercury ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

Study discovered that Chiron, a small icy world between Saturn and Uranus, is forming rings. This shows how small worlds ...

Other than being a ‘Trojan Horse’ alien spaceship set to release probes to study our planet, or crashing into Earth, neither ...

There is no evidence to support the idea that this interstellar object is anything but a comet, but let's double-check.