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

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

As the administration slashes spending on science, NASA is running low on new missions.

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

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 ...

Embark on a thrilling journey through our Solar System, exploring the inner planets and space travel possibilities. We start ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

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

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.