Beyond Neptune, a smaller 'ninth' planet has been identified in the Kuiper Belt.
Nasa will closely monitor the asteroid.
'Smartphones are part of life, they're everywhere and they're not going anywhere.'
'It's very difficult for families to deal with these diseases, they are devastating, so to see babies born at the end of this is just amazing really.'
'It will soon be impossible to distinguish between real and manipulated material.'
A deep, long probe helped experts discover this.
A year on the alien world is only a few Earth days.
The man is currently in a serious condition in hospital.
Sea levels are rising faster than elsewhere, and even birds and frogs are changing their behaviour.
