Warmer weather and receding floodwaters are bringing more mosquitoes, and not just in regional NSW.

Severe storms hit Sydney’s north-west fringe on Sunday but skirted the rest of the city, offering little relief from high humidity.

Dr Vanessa Pirotta is untangling the web of marine life in Sydney Harbour and makes a living delving into whale gunk and boiling blubber.

The deeper the cuts now the better off we will be.

The pressure to shop ethically ignores the reality that nothing we do actually matters.

More than half the world's turtles and two-thirds of some bird species along Australia's east coast are being found to have ingested plastics as the toll from pollution mounts.

Social media is much decried, but when ordinary people use it to magnify their compassion for drought-stricken farmers, magic can happen.

While it might sound like a cool idea to bring animals like the Tasmanian tiger back from extinction, new research shows this would come at the cost of other already threatened species.

National weather forecast for Thursday March 23

Eve and Adam Dickinson and their two children found the "incredible" lion's mane jellyfish while they were walking on Pakiri Beach, in north Auckland, on Monday.