Stefanos Tsitsipas finds himself the butt of the jokes at the US Open after Andy Murray aims another jibe at the Greek third seed in the row over long bathroom breaks.
Experts say 17,500 tree species are at risk around the world, including magnolias, oaks and maples.
Summer of upheaval ends at Barcelona as Antoine Griezmann rejoins La Liga champions Atletico Madrid and striker Luuk de Jong join from Sevilla.
Both beauty and beast. A Sabethes mosquito is visually stunning but it's also a carrier of disease.
They're called ghost mushrooms, fungi that have the property of bioluminescence.
We look back at some of the big moves from the summer - and how they unfolded on social media.
A 14-year-old is the latest victim of Marseille's gang war, prompting a key visit from President Macron.
La Liga side Valencia sign winger Helder Costa from Premier League club Leeds on a season-long loan deal.
Former crew of the oil tanker Gulf Sky talk publically for the first time about the ship's disappearance.
