How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

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 ...

At the far reaches of our Solar System lies Pluto, a mysterious world shrouded in shadows and icy terrain. NASA’s latest ...

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

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

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

The shortlist for Astronomy Photographer of the Year 2025 features 30 photographs selected from more than 5,800 global ...

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

Upgraded ALMA images expose hidden rings and spirals around baby stars, indicating planets begin taking shape mere cosmic ...

A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...