Using sightings over four decades, researchers have pinpointed three main orca habitats off Australia, with key differences ...

A northwest Australia killer whale captured on Ningaloo Reef. Photo courtesy John Totterdell (CETREC WA).While well ...

Readers’ letters on super investment priorities, Watt and Woodside, foreign policy, mental health claims and housing YIMBYs.

Uncover the secrets of Melbourne at night, from dining in multicultural restaurants to exploring hidden laneways.