According to the latest mathematical models, the moon has a fluid outer core and a solid inner core, similar to Earth’s. The ...

Io isn’t just another moon, it’s the most volcanically active body in the entire solar system. Orbiting Jupiter, Io is ...

CC0 Usage Conditions ApplyClick for more information. Where do we come from? How did our planet form? How do we know about the history of our solar system? You can explore these universal questions in ...

In a discovery that could rewrite what we know about where water comes from and the building blocks of life in the solar ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

Pluto isn't just a distant ice ball; it's turning out to be a fascinating example of planetary geology. Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit ...

The interstellar comet 3I/ATLAS has astronomers stumped with its bizarre sun-facing tail and weird composition. But it’s also ...

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...