Residents of one of Germany's foremost car manufacturing bases are urged to leave their vehicles at home after smog breaches maximum safe levels.

Images from an unmanned aerial vehicle suggest excessive management of floodplains limit their ability to hold water and slow the flow of floodwater.

Global temperatures in 2015 were the warmest since records began, according to data published by meteorologists in the UK and the US.

Five planets will align across the dawn sky on Wednesday in a rare treat for skywatchers.

American astronomers say they have strong evidence that there is a ninth planet in our Solar System orbiting far beyond even the dwarf world Pluto.

A 201-million-year-old dinosaur that fell out of a cliff face in Wales in 2014 is formally named Dracoraptor hanigani - the "dragon thief".