Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

The European Space Agency (ESA) will launch its bold "Comet Interceptor" Mission after 3I/ATLAS became the third interstellar ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth - but closer to the red planet than us at a safe 150 million miles (240 ...