We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

Brian Cox debunks the 'alien probe' theory for interstellar comet 3I/ATLAS. Learn the scientific truth about its ancient ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

Astronomers are puzzled by the interstellar comet 3I/ATLAS. It displayed a jet pointing towards the Sun, a behavior never ...

When the object now known as 3I/ATLAS was first spotted racing through the Solar System earlier this year, astronomers ...

Two spacecraft are on course for 3I/ATLAS, a mysterious interstellar object that some believe could be an alien mothership.

"Though our Mars orbiters continue to make impressive contributions to Mars science, it's always extra exciting to see them ...

The first images from Mars of the Manhattan-sized interstellar object 3I/ATLAS have been released as NASA has gone radio ...