Even environmentally conscious hikers are neglecting to clean their boots before heading for the mountains and thus may be introducing alien plants to the environment, according to a survey. “Visitors ...

There are approximately 27 000 indigenous species in South Africa and 9 000 foreign plant species that have been introduced over the past few centuries. Of these 9 000 exotic or alien introductions, ...

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 ...

The beauty of the pink and purple carpets of digitalis flowers increasingly seen on hillsides in Japan conceals a potential menace to ecosystems and even human health. The flowers, which blossom in ...

Invasive species are reshaping ecosystems and local people's relationship with nature in the tropics, a study led by Danish researchers Ninad Avinash Mungi and Jens Christian Svenning from Aarhus ...

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 ...

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 ...

The Hindu’s weekly Science for All newsletter explains all things Science, without the jargon. The frozen Arctic—where trees cannot exist, but lichen thrives— presents one of the most iconic stories ...