Public service: Former PwC chief executive officer Luke Sayers has told the Senate's inquiry into consultants he was not aware of breaches of confidentiality in the big four firm's tax business until this year, but admitted they happened "on my watch".
World: NASA has showed off its first asteroid samples delivered last month by a spacecraft - a jumble of black dust and rubble that is the largest amount ever returned to Earth.
Sport: Michael Maguire is set to replace Brad Fittler as NSW State of Origin coach after being offered a one-year deal to take over the Blues from 2024.
