It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

The ESA says the object - which has been designated A11pl3Z - is currently several hundred million miles away from Earth, ...

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

Scientists with NASA's Lucy mission continue to analyze data collected during the spacecraft's April 20 encounter with the ...

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...