Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Astronomers have discovered yet another alien visitor to the Solar System.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that ...