A rare visitor from another star system has been spotted. It's the interstellar comet 3I/ATLAS, and it was detected on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

An interstellar object called 3I/ATLAS is passing through our solar system this year, NASA announced yesterday. Today at 6 p.m. ET, you can see it for yourself, thanks to a livestream from the Virtual ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

As the mysterious interstellar object known as 3I/ATLAS plummets through our Solar System, NASA’s good old Hubble Space Telescope has captured the best look yet at the interstellar visitor. On July 21 ...

CAPE CANAVERAL, Fla. — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile recently, and ...

The enigmatic interstellar object, known as 3I/ATLAS, that's currently traversing our solar system is "generating its own light" according to a specialist. This new insight about the peculiar UFO has ...

Interstellar object 3I/ATLAS continues to fascinate astronomers as it rips through our solar system. And the more we find out about the object — widely suspected to be an icy comet — the more ...