Hotspots for global trade, like ports, are linked to greater risk of invasions by non-native tree species, a study finds.

Invasive Asian hornets are a top predator of bees in the UK – and sightings are starting to soar.

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.

Modern ecosystems are very different to how they were just a few centuries ago.

Not all alien species are a significant hazard to people and ecosystems.

Plantations of exotic trees from the mid-19th century onwards devastated Indian ecosystems.

A new paper describes ways to control invasive spectacled caimans in the Florida Everglades.

An autonomous robot could help control the spread of invasive spotted lanternflies by destroying their eggs.

Without effective management, estimates show the costs of biological invasions in the EU could soar to more than $150 billion by 2040.

Humans rely on the ocean for food, jobs and other resources, but these systems are being stressed to the brink.