Comet 3I/ATLAS is the third confirmed interstellar visitor to our solar system. But with the Rubin Observatory now scanning ...

New findings about interstellar comet 3I/ATLAS reveal its surprising size, possible thick disk origin, and what makes it ...

As the Moon reaches New, advanced observers can try photographing 3I/ATLAS while everyone can enjoy nebulae and more in the ...

Suppose the galaxy’s oldest secrets were readable not in the glare of faraway stars, but in a brief, cold visitor whizzing ...

The idea of leaving Earth behind to settle among the stars has long been a captivating vision of humanity’s future. But how ...

This is only the third interstellar object ever found. The first was 'Oumuamua in 2017, and the second, Borisov, in 2019.

This comet, first detected on July 1, 2025, by the ATLAS sky survey system, is providing scientists with a rare glimpse into the chemistry and behavior of objects that formed around other stars.