Is the solar system full of interstellar vagrants, passing unseen? For decades, it was all conjecture, interrupted only by the brief glimpses of objects such as 1I/’Oumuamua and 2I/Borisov. But with ...

A visitor from beyond is currently passing through our Solar System at a staggering speed. This celestial body, named 3I/ATLAS, could be one of the oldest objects ever observed. Astronomers ...

About 20 miles north of Pittsburgh, the charming borough of Mars has fully embraced its planetary namesake with an out-of-this-world monument that makes other town squares look downright mundane by ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

Scientists are observing a unique interstellar comet, 3I/ATLAS, currently passing through our solar system. This is only the third such object ever detected.

A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...

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

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

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.

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

Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...