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Since whaling was banned in 1986, whale numbers have rebounded but threats, mostly human-made, remain and are on the agenda at a meeting in Hobart.
When we think of a volcanic eruption, rivers of glowing lava or giant columns of ash come to mind. But beneath Earth's surface, a more complex story is unfolding.
How are species boundaries maintained in the face of environmental disturbance? This is not only a fundamental question in evolutionary biology but also an increasingly important one as human activities and climate change alter habitats and bring previously separated species into contact.
A newly detailed brain region acts as a continuous alarm system during a threat. By sustaining fear responses long after initial warnings fade, this overlooked neural pathway could unlock new ways to understand and treat anxiety disorders.
Underground caves beneath South Australia's Nullarbor Plain could have the answer to finding life on Mars, according to new research.
