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
Could the planets in our Solar System be getting closer and closer to the Sun?