On Oct. 3, the comet came within about 18 million miles of the Red Planet. Both China's Tianwen-1 Mars Orbiter and NASA's ...

China's Tianwen 1 spacecraft has imaged the interstellar comet 3I/ATLAS from Mars orbit, contributing to global efforts to ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

China has released the first images of the rare interstellar comet 3I/ATLAS as it made its close approach to Mars. The images ...

Kim Kardashian's remarks on the moon landing have sparked global debate, with Harvard astrophysicist Avi Loeb suggesting she ...

Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

I/ATLAS sent a message to Earth after it passed its perihelion. Scientists found the interstellar object brightened fivefold ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...