When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

WASHINGTON (Reuters) -Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.