Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier for non-native plants and animals to get a foothold in far northerly ...

Biological invasions by plants pose a growing threat to biodiversity. Here we model potential current and future distributions of 9,701 naturalized alien plant species to project their potential ...

With invasions, functionally differing plant species meet. The traits of native and alien species should then be modified, affecting coexistence. We studied trait variation in four native and five ...

What would humanity do in the face of an alien invasion? Imagine that the Earth falls under siege to an extraterrestrial threat. Would that be the stimulus that finally unites us all as a single ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. But new research reveals insects are also major victims of ...

An infographic showing the average declines in abundance of key terrestrial insect groups due to invasive alien species. The extent of declines varies across species and regions. Insects are often ...

In recent years, a surprisingly large number of alien species have managed to flourish in Svalbard. In 2024, common meadow rue, Thalictrum flavum ,was identified for the first time in Svalbard, in ...