Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

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 ...

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

A piece of Mars delivered from space is soon going to the auction circuit, and is supposedly going to demand a hefty price.

Astonished Scots have captured a meteor streaking and burning brightly across the night sky. The orange light and ...