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

China's Tianwen-2 probe continues on its journey to rendezvous with a near-Earth asteroid (NEA) before heading to the main ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

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

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...