Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

NASA’s Lucy spacecraft made a pivotal encounter with the main-belt asteroid Donaldjohanson. Capturing high-resolution images ...

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

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...