Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

The Earth could be soon flung out of orbit or into the sun - all thanks to a passing star - Either way, the sun is likely ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This ...

Finally, the Earth moves a little bit beyond one complete revolution, so the stick again points towards the sun for a second ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...