World number one aiming to add Aussie title to previous French Open and Wimbledon triumphs

Australian Open champion: ‘I like to take things not big-picture. To live in the moment’

Osaka has consolidated her place at the top of women’s tennis over the past six months

39-year-old refuses to say if semi-final loss was her last Australian Open appearance

World number one stunned by Czech as she is dumped out of Australian Open quarters

The final of the Grampians Trophy will not be played due to delay for positive test

Donald Trump’s nominee personifies a rising Christian conservative legal movement

23-year-old dumps out second seed Pliskova as favourites keep falling at Roland Garros

Japanese star’s highlighting of racial violence and Belarusian’s comeback add to intrigue

Williams loses out in US Open semi-final, extending her pursuit of grand slam record

American proves too strong for Yulia Putintseva to make her first Grand Slam semi-final

Rafael Nadal comes through first-round clash without trouble

American contenders Venus Williams, Stephens and Vandeweghe all bow out

Academic researchers, with the help of the public, are providing valuable data on water quality but say it is vital that policy-makers get involved to bring about necessary change