Why it matters: A look at the scientific breakthroughs changing the world, explorations in space and in worlds beyond our own and the threats posed to us by our own planet, both out of our control and of our own making.

All science stories

Updated Nov 29, 2020 - World

Bushfire threatens Sydney homes as record heat wave hits Australia

A helicopter water-bombing a bushfire at Northmead in Sydney, Australia, on Sunday morning local time. Photo: Jenny Evans/Getty Images

Scores of bushfires are threatening parts of Australia during a record heat wave — including an out-of-control blaze that prompted evacuations in Sydney Sunday and another fire ravaging the popular Queensland tourist destination of Fraser Island.

Why it matters: New South Wales' fire chief Shane Fitzsimmons told Channel 9 Sunday it's the "worst day" for fires since last season's deadly "Black Summer" bushfires, when temperature records were broken across Australia — including in Sydney, which reported its hottest November night this weekend.

More science stories