The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...

In 2017, ‘Oumuamua stunned scientists as the interstellar object entered and then exited the solar system, something ...

The comet is the third known interstellar object to pass through our solar system and is expected to make its closest ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

A NASA-funded telescope in Chile identified a comet from interstellar space on July 1, marking a significant astronomical ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...