The movements of the planets in the Solar System are pretty difficult to get your head around, even before we get started on ...

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at least used to be able to recite. But it was not always so.

"We have no way to determine how different exoplanets really look in detail yet, and this makes them a rich space for creativity." As shocking as it sounds today, prior to the 1990s, scientists ...

TIM:When I was up on the ISS, that different perspective really brought home the sheer scale of the universe ... mechanical model of our solar system. You can see the planets here, orbiting ...

Jupiter is the biggest planet in our solar system, according to NASA. The planet is what’s known as a gas giant, which means it doesn’t have a solid surface — though it may have a solid core about the ...

There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond the eighth planet Neptune. The tantalizing prospect of a ninth ...