Science fiction is full of alien species, but some are built with a level of detail that goes far beyond the norm. In this ...

More than 40% of extant large freshwater animals (megafauna), including carp, salmonids, crocodilians, turtles, beavers, and hippopotamuses, have been deliberately introduced outside their natural ...

Invasive alien species like lantana camara, prosopis juliflora and water hyacinth have caused mass degradation of native ...

Scientists have updated the conservation status of hundreds of mammals in Argentina, adding previously unassessed species and ...

Invasive species that are introduced into non-native environments threaten ecosystems, wildlife, and human well-being.