Scientists have voted to redefine the value of a kilogram, in what they called a landmark decision that will boost the accuracy of scientific measurements.
If you've ever thought your poo is just a bunch of dead cells, think again. Most of it is alive, teeming with billions of microbes. Here's what studies in healthy adults reveal makes up our poo, writes Vincent Ho.
Early risers across Australia are rewarded with a spectacular sight, with the Moon turning red as the Earth's shadow falls across it.
A school holiday program aims to inspire a new generation of mining experts amid a skills shortage in the industry.
Journalist and author Angela Saini says when it comes to women's minds and bodies, "science is a battleground". She wants some common theories on sex difference, motherhood, menopause and longevity put back under the microscope.
Australians often ask, "why should Australia do space?" Tellingly, in the US the question is instead "Why doesn't Australia do space". The fact of the matter is we're somewhere in between, writes Anthony Wicht.
Australia's infrastructure plans, new space agency and defence projects could all be in jeopardy unless a severe shortage in the number of homegrown engineers is reversed, the industry peak body warns.