Are there too many satellites in space?

Amazing answers to your curious questions

20 amazing answers t o curious

The Moon has a diameter of around a quarter that of Earth and travels around our planet in a circular orbit roughly every 27 days. But Earth also possesses a number of tiny co-orbital bodies – objects

What would you say if intelligent aliens came calling?

You’re woken in the middle of the night by an urgent phone call. An asteroid is headed straight for Earth and it’s your job to find out if it’ll strike the planet and rain destruction down upon us all

Your dusty, distant destination awaits, with unique geology that reveals billions of years of cosmic collisions