See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A "strange" prehistoric plant species is the lone representative of a ...

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.

Scientists have discovered a unique fossil that does not match any known species of flowering plants, an advance that sheds more light on the planet’s ancient diversity. Researchers first spotted the ...

The introduction of animal and plant species into new regions by humans is increasing rapidly worldwide. Some of these alien species, such as the gray squirrel, have a far-reaching impact on nature as ...

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...

Invasive alien species (IAS) explored in a CABI-published book pose the biggest threat to biodiversity, crop and/or livestock production, human and/or animal health, and economic development in the ...

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 ...

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 ...

Increases in global trade and travel are causing animal and plant species to be more frequently introduced to regions of the ...