19th December - Today's News: Record Heat in South Australian Heatwave

Cute koalas wilt in trees and drink from water bottles as Adelaide hits a sweltering 42 degrees and Melbourne prepares for the hottest December night on record 

Victorian bushfires: Buildings lost in Scotsburn fire as crews work into the night

Philippines storm death toll hits 35 as rains threaten to worsen flooding

Storm chaser captures incredibly rare UF0-like meteorological phenomenon known as a ‘sprite’ 

The ultimate ‘blue marble’ picture: Nasa releases stunning new image of Earth taken from a spacecraft orbiting the moon 

There are 12 different 'flavors' of rainbow: Scientist reveals how rain and sun's position in the sky can change an arc's color

And scientists peg anthropocene to first farmers 6,000 years ago