The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Halloween is upon us and the 2025 spooky season is abuzz with talk of three cosmic visitors — Comet Lemmon, Comet SWAN and ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

The European Space Agency's ExoMars Trace Gas Orbiter has captured unprecedented close-range data on the interstellar object ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly ...

The interstellar object 3I/ATLAS has sparked renewed scientific debate after data from NASA's Jet Propulsion Laboratory ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this ...

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

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...