CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

NASA has released new detailed images revealing a full-frame view of the peculiarly shaped asteroid Donaldjohanson.

NASA has released the first-ever high-resolution image of the main-belt asteroid Donaldjohanson, highlighting its unique peanut shape.

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

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

NASA has discovered the third known interstellar object to pass through our solar system, but the icy snowball object poses ...

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

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...