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

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

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.

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently ...

According to the study, interstellar object 3I/ATLAS showcased its first sign of a non-gravitational acceleration at ...

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