The human population will tick over to 8 billion on November 15. What does this mean for the environment, our cities, our health and our food supply? Six Macquarie University experts explain the impact of the milestone in their fields.
Research has found the chemicals leaching from plastics can change the mix of microbial life in seawater, and harm the tiny life forms which are critical to oxygen production in our oceans.
A world-first study projects that climate change and land clearing will profoundly change half of the world’s remaining wilderness areas by 2050 unless governments act immediately to protect them.
A Macquarie University astrophysicist has found there's not a lot of wriggle room when it comes to Hollywood's depiction of wormholes; the designs just don't add up.
An international study has found Australia has the second-highest amount of microplastics in household dust among the higher-income countries studied, with too much carpet potentially to blame.
Professor Fred Watson, the Australian Government’s Astronomer-at-Large and an honorary fellow at Macquarie University, explores our lasting love affair with stars and the technology that drives it.
September 1 may be upon us but Macquarie University astrophysicist Dr Ángel R. López-Sánchez says spring in the Southern Hemisphere won’t begin until September 23.
Divers’ online videos have triggered a re-think of what we know about stingray communication – and left marine scientists wondering if there’s more undersea sounds we may not know about.
Australia is undergoing an intensive biosecurity response since discovering an outbreak of the honeybee parasite, Varroa mite, in hives near Newcastle Port in mid-June – why are we so concerned?
Why do certain reptiles and amphibians live so long – and what can they teach us about ageing? A new study has tested four hypotheses behind some of this group's remarkable lifespans.
If you loved Vivid, get ready to rug up again for some spectacular astronomical light shows in Sydney’s night sky for the remainder of the year – Macquarie University astronomer Professor Orsola De Marco guides us through upcoming events.