Musk’s audacious plan to blast people to Mars by 2024 glosses over some important social and political challenges that SpaceX will need to successfully navigate to get off the ground, writes Andrew Maynard.
“Eat more fruit and vegetables” is a common recommendation, but there are mixed messages about how healthy fruit really is.
Opponents of marriage equality often say that married and de facto couples already have the same rights. Hannah Robert and Fiona Kelly look into what extent this is true, and, in legal terms, how much the differences matter.
Electricity storage is vital to the stability of a renewable energy grid. The world's favourite form of storage is pumped hydro – and researchers have located thousands of candidate sites in Australia. Andrew Blakers, Bin Lu and Matthew Stocks explain.
It might be time for Australia to farewell its ageing "big" landmarks, writes Amy Clarke.
A snapshot of Australian teens shows most doing well, but as a group they are still plagued by suicide risk, self-harm and mental health problems, write Diana Warren, Galina Daraganova and Jennifer A. Baxter from the Australian Institute of Family Studies.
The energy market operator has released a report on the state of Australia's electricity system. It couldn't be blunter if it tried: the market has failed, writes David Blowers from the Grattan Institute.