Besides being lovely to have around, birds fulfil critical roles in ecosystems, so I see their ongoing decline in Australia and elsewhere as a matter of utmost concern.

The use of hormone replacement therapy (HRT) doubles the risk of breast cancer in menopausal Australian women, our new research shows.

Vulnerability to internal plumbing failure puts the tallest trees in rainforests at increased risk of death during drought, a study in the Amazon forests in Brazil has found.

Scientists drilling into the ocean floor have for the first time found out what happens when one tectonic plate first gets pushed under another.