Many mountain ranges contain semi-natural habitats that have been little human interference. They are home to many animal and plant species, some of them endemic and highly specialized. Mountains have ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

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 ...

A "strange" prehistoric plant species is the lone representative of a mysterious group of organisms that no longer exists, scientists have discovered. The first evidence of the species—in the form of ...

A plant that lived 47 million years ago in what is now Utah is like nothing that lives on planet Earth today. The discovery of new fossils reveals that a species first found in 1969 is not a member of ...

An “alien plant” fossil discovered 55 years ago just outside of an abandoned town in Utah has no relation to any currently existing or extinct species, scientists revealed in a study last month.

Most home gardeners pottering around with trowel, plant cuttings and a bag of mulch behind the old homestead don’t think of themselves as “nature’s best and last hope.” Doug Tallamy, an entomologist ...

Naturalized alien plants are causing a worldwide decline in the uniqueness of regional floras, according to the results of a global research project. When alien plants integrate into an existing ...