I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Some planets take the expression "you're your own worst enemy" to the extreme. At least, that's what astronomers found when ...

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its journey in our Solar System and will not end it here.

A new interstellar object has been spotted careening into the solar system at an extremely unusual trajectory.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.