A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

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 ...

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 ...

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 ...

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 ...

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 ...