Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

The Kuiper belt, a disc of icy rocks on the outermost edges of the solar system, seems to have more structure than we thought. In 2011, researchers found a cluster of objects there on similar orbits ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." Ever since the famous "interstellar invader" comet 3I/ATLAS was discovered in our solar ...

Scientists have issued alerts for approaching solar or geomagnetic storms, which are set to hit Earth this week and will produce bright, stunning displays of light known as auroras over parts of the ...