The number of planets detected around other stars - or exoplanets - is set to hit the 4,000 mark.
The fossils found on a river bed in eastern China are estimated to be about 518 million years old.
The broadcaster's film will explore potential threats to our planet and the possible solutions.
A Russian photographer documents life in Norilsk
How easy is it to live more sustainably?
The curious case of the man with 'two minds'
Bath is the latest council to declare one
The first female gardeners at Kew had to work in bloomers
Are petrolheads ready for electric bikes?
15 sayings from around the world