Grassfires are normal in central and northern Australia. But fast-growing invasive grasses are supercharging grassfires – and this summer looks like it will be big.
A school of grunts on a sunken World War II German submarine in the Atlantic Ocean off North Carolina.
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According to a new UN report, invasive species do more than US$423 billion in damage worldwide every year. Four articles explore examples, from mollusks to poisonous fish.
Native to South and Central America, cane toads are an invasive species in most regions they have been introduced.
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Australia’s biosecurity system is on high alert for alien invaders. Here’s a hit list of eight baddies we believe pose the greatest threat to Australia’s biodiversity.
Lionfish are an invasive species in the Caribbean.
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Alien invaders are penetrating the borders of every country in the world. Now the full extent of the problems and potential solutions have been exposed, in a new United Nations report.
Introduced species and diseases can drive native species into smaller environmental niches – and that could mean change to how we work to conserve them.