Biologist puts shark sleep mystery to bed
An Australian biologist has proven for the first time that sharks do sleep and it's more than simply a fun fact.
oceans
Dugongs, turtles will starve after floods
A top Queensland scientist has warned of mass dugong and turtle deaths in coming months as smothered food sources vanish.
Reef could face annual bleaching events
The Great Barrier Reef is in crisis and without urgent emissions cuts could bleach every year in the not too distant future, the latest climate report warns.
Blast could imperil Tonga’s food supplies
Tonga could face food and water shortages after this weekend's underwater volcano blast, Australian scientists say.