By searching sparsely populated regions of the galaxy, astronomers have for the first time found the source of a kind of signal that has puzzled them for years.
The mysterious swarms of drones in New Jersey have sparked calls for a 'state of emergency' until answers are given about the thousands of bizarre sightings across the region since November.
From a fish with a tiny brain to the world’s oldest cheese, we have reported on plenty of strange and unusual science discoveries this year. Challenge yourself and see what you can remember in this fi ...