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 ...

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 ...

Atom RSS Feed Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust.

En route to the asteroid system Didymos, Hera will reach its closest point to Mars on March 12. It will use the gravitational pull of the Red Planet to create a slingshot effect, accelerating the ...