The bigger the animal, the deeper the sound they make. But not if they live in the water.
Some animals bred in captivity often lack the skills needed to survive in the wild but the Tasmanian devil is showing it's a natural born killer, writes Tracey Rogers.
Humpback whales have been spotted fending off killer whales from attacking other species. But this kind of interspecies altruism raises an evolutionary conundrum, writes Tracey Rogers.
UNSW has a record-breaking 11 finalists in the running for Australia's premier science awards, the Australian Museum Eureka Prizes.