Could the planets in our Solar System be getting closer and closer to the Sun?
Could black holes be a factory for unusual material at their hearts?
What is it about Pluto that made astronomers – such as the likes of Dr Mike Brown, Professor of Planetary Astronomy at the California Institute of Technology (Caltech) – insist on its declassification?
Planets can have moons but can large asteroids have them too?
With their billions of stars, why don’t these giant structures light up the entirety of space?
We find out if we’re likely to lose our Moon one day
Always wanted to follow a professional career in astronomy? Josh Barker from the National Space Centre gives some advice
If you journeyed to the centre of the Earth, would your weight change?
Find out here what g-force astronauts have to endure