Could the planets in our Solar System be getting closer and closer to the Sun?
We find out the type of route a comet takes through the solar neighbourhood
A head-on collision, a near miss or not even possible? We find out if these two planets can actually collide
The Neptune-sized planet is caught up in an irregular orbit around a red dwarf star
With the conclusion of the international mission set for September 2017, the spacecraft is poised to begin a thrilling two-part endgame
Researchers who were previously involved in the discovery of a ringed alien world have now calculated that the giant rings may persist more than 100,000 years