Donna Lu

Rubble pile asteroid is almost as old as the solar system, a sign that it can withstand great shocks and may be difficult to destroy, research suggests

Modibodi and Bonds say they avoid using PFAS chemicals, which break down slowly over time and have unclear health impacts

Multiple concussions in a lifetime were shown to affect the ability to plan and pay attention, though research also underlined health benefits of playing sport

Data suggests male northern quolls rest less than females and spend much more time on the move, leading to their death after a single breeding season

The speeding C/2022 E3 (ZTF) and its icy tail will not be visible from most parts of Australia until 5 February – and won’t be visible again from Earth for a long, long time

Rapid decline stumps researchers, who theorise traffic collisions, climate crisis, cane toads and inbreeding could play a role

The health benefits of green or blue prescriptions are many and there are calls to integrate them more into routine care

Lead researcher says destruction was similar to process of Antarctic ozone hole forming each spring ‘but at much warmer temperatures’

Lithium-ion batteries embedded in the products have been blamed for an increasing number of hazardous fires at landfill sites

Sex determination of sea turtles is temperature dependent, with the proportion of female hatchlings increasing when nests are warmer