"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

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 ...

Diversity and Distributions, Vol. 14, No. 2, Special Issue: Fifty Years of Invasion Ecology: The Legacy of Charles Elton (Mar., 2008), pp. 422-431 (10 pages) The paper examines the role of feral sheep ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.

Have you noticed some curly, spiky, gray-green, alien-like plants resting in a shell, hanging from a ceiling, perched on ...

Paleontologists are excited by a new "alien plant" fossil that was discovered just outside an abandoned town in Utah. The fossil is unlike anything that has been found thus far and has scientists ...

“Invasive alien species are a major threat to biodiversity and can cause irreversible damage to nature, including local and global species extinctions, and also threaten human wellbeing,” said ...

Julie Coetzee receives funding from the National Research Foundation SARCHi and the Natural Resource Management Programme of the South African Department of Forestry, Fisheries, and the Environment.