The number of alien plant species has more than tripled over the last 25 years. This is the finding of a study by European scientists who evaluated the data from 48 European countries and regions. 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 use of biological control for invasive alien plants and invertebrates, such as introducing a rust fungus (Puccinia spegazzinii) to control bitter vine (Mikania micrantha) in the Asia-Pacific ...

Deep in the Namib Desert, Africa's wildest wilderness, among the many interesting discoveries of the desert lives a remarkable survivor. Known in Afrikaans as "tweeblaarkanniedood" meaning, "two ...

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

You can learn all about the complex world of plants — and, perhaps, how a better understanding of plants here on Earth could aid the search for alien life — in a live webcast Tuesday night (Feb. 4).