With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

The tropics and subtropics, collectively the Greater Tropics, are home to most of Earth’s biodiversity and humanity, and are undergoing unprecedented transformations driven by global change. In this ...

Due to anthropogenic pressure some species have declined whereas others have increased within their native ranges. Simultaneously, many species introduced by humans have established self-sustaining ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...