Scientists believe our solar system may be hiding a secret world — and it’s not the famous Planet X :eyes: A new study ...

Why Can't We Find Planet 9? Deep in the outer reaches of our solar system, far beyond Neptune and Pluto, something massive is ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Astronomers have identified a rare sednoid called Ammonite, an icy object beyond Neptune that offers new insight into the ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Since this past September, Saturn’s been the best planet to enjoy through even a small telescope, even though its ring system ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.